Best choice
TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange
Carbon Monoxide Detector TopTes CT-300 is an ideal portable CO tester to help you detect CO gas concentrations timely and accurately, reducing the risk of CO poisoning and protecting your life. It is a must-have tool for homeowners, drivers, campers, DIY-ers, tourists, etc
free delivery
39% discount
Kidde 10LLDCO Ten Year Life Carbon Monoxide Alarm Digital Display with Sealed Longlife Battery
Digital display that shows current CO levels (from 10 ppm)
£ 37.78 free delivery
58% discount
Mini LCD Carbon Monoxide Detector CO Alarm Detector, fit for house, Car,trip，Comply with EN50291
Mni CO Detector The electrochemical gas sensor in this CO detector is very sensitive to any CO leakage to your home detector. Mini Size 6.2CM*2.8CM
£ 15.99
46% discount
CPVAN Wireless 3-in-1 Carbon Monoxide Detector with Temperature & Humidity, Carbon Monoxide Alarms for Home Safety, CO Alarm with 10 Years Life, EN 50291. 1 Pack
Safety Certification Compliance with EN 50291 standard and TÜV approval.
£ 30.00
34% discount
3 Packs Carbon Monoxide Detector - AGSMXSYG Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen
Wide Range of Applications Carbon monoxide detector is suitable for home, RV, kitchen, bathroom, etc.
£ 49.99 free delivery
32% discount
Carbon Monoxide Detector with LCD Digital Display, CE Certified CO Alarm with Sealed in 10 Year Battery, Standalone Audible CO Detector for Home,Black,1 Pack
Accurate Relialbel CO Detector Comply with EN 50291 standard, CE Certified Carbon Monoxide alarm, equipped with high accuracy and reliable electrochemical sensor, continuously measure CO concentration in ambient air.
£ 34.99 free delivery
25% discount
Mini Carbon Monoxide Detector, Battery Powered CO monoxide Alarm with LCD Digital Display for Home and Car Safety, CO Monitor Conforms to EN 50291 Standad (1pcs)
Accurate Detection Our carbon monoxide alarm utilizes an advanced electrochemical sensitivity sensor, to accurately and quickly detect carbon monoxide gas leaks, effectively protecting you against potential hazards while minimizing false alarms.
£ 11.99
Brandson - CO2 Detector, Co2 Monitor Carbon Dioxide Detector Alarm, Co2 Sensor Digital USB, Indoor Air Quality Sensor Monitor with Temperature Humidity for Home Office Gym Car
TECHNICAL DATA Measuring ranges CO2 400 - 5000 PPM, deviations +- (50ppm + 5%); Temperature -9.9 C to + 50 C; Humidity 0% - 95%; +-6% DIMENSIONS 82 x 82 mm, depth 26 mm Screen size 8.5 cm 3.34 inches WEIGHT 108 g SCOPE OF DELIVERY Brandson carbon dioxide meter with rechargeable battery, USB to 3.5mm DC hollow plug cable and user manual.
free delivery
Recommendation
Newentor CO2 Monitor, Air Quality Monitor Indoor Carbon Dioxide Detector with Voice Alert Large Display, Temperature Humidity, Alarm Clocks for Home, RV, Office, Classroom, 400-5000ppm, Black
High-precision CO2 Sensor The CO2 detection adopts the most advanced sensor of Swiss Sensirion's unique PASens technology, and adopts the photoacoustic detection principle to perform accurate and reliable measurements in a wide range of concentration areas and applications.
free delivery
22% discount
FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button
FIREANGEL HOME PROTECTION In addition to our carbon monoxide detectors, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms.
£ 17.99
LSENLTY Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home Office
Portable Carbon Dioxide Detector The product has a compact size (size 7.6x7x3 cm) and is equipped with a strap design, suitable for hanging on the wall, car, or backpack. Suitable to use for camping, hanging on the wall in the living room or bedroom at home, or placed on the desktop in the office.
free delivery
Carbon Monoxide Alarm Detector, KARUOTOP 10-Year Battery CO Alarm with Digital LCD Display, Battery Powered CO Detector for Home, EN 50291 Standard
Dependability & Precision Equipped with a state-of-the-art electrochemical carbon monoxide sensor, it precisely measures carbon monoxide levels. In the case of a potential hazard, the detector will sound a loud 85-decibel alarm as an immediate warning.
free delivery
Carbon Monoxide Detector, 10 Years Battery Carbon Monoxide Alarm, CO Alarm with LCD Display and Test/Silence Button Conforms to EN50291 Standard
Easy to Use It can be easy wall mounted or free standing; you can take it during travel to protect you especially when there has fireplace or smoke
free delivery
Temtop CO2 Monitor Indoor Air Quality Monitor Portable Carbon Dioxide Detector CO2 Temperature Humidity Meter for Home Office School
What's Included - CO2 Detector x 1, USB cable x 1, User manual x 1, Bracket or accessories set x 1. Tip - For real-time monitoring, we recommend keeping the device plugged in. This will enable real-time monitoring mode, providing you with the most accurate and timely air quality data.
free delivery
CO2 Detector, Co2 Monitor Carbon Dioxide Monitor, Co2 Sensor Digital USB Charger Air Quality Sensor Detector with Temperature Humidity for Home Office Gym Car(White)
TVOC Sensor The co2 detector design with TVOC sensor to monitor CO2 value, temperature and humidity of air quality, highly recommend to use it with USB charge
11% discount
Kocusu CO2 Monitor with LCD Display,Air Quality Monitor Indoor,3 in 1 CO2 Detector Sensor,Carbon Dioxide Detector with Temperature,Humidity for Home,Office,Car (White)
3 in 1 Air Quality Monitor Indoor not only detects CO2, it can also detect temperature, humidityallowing you to better understand the air quality of your environment.
£ 17.99
16% discount
X-Sense Carbon Monoxide Alarm Detector 10-Year Life, Replaceable Battery Operated CO Alarm Detector with Digital Display, Conforms to EN 50291 Standard, CO03D
ACCURATE & RESPONSIVE Featuring an advanced Figaro electrochemical CO sensor and a high-performance ST chipset, the X-SENSE Carbon Monoxide Alarm instantly and accurately detects concentration levels of CO, an invisible, deadly gas, while minimizing false alarms; designed to give you the earliest possible warning of CO threat with both a loud 85 dB alarm and a rapid flashing red LED indicator (the LED indicators won t disturb your sleep while the alarm is in normal working status)
£ 30.99 free delivery
Smoke & Carbon Monoxide Alarm with Digital LCD Display, AEGISLINK Combination Smoke and CO Alarm Detector with 10-Year Lifespan & Replaceable Battery and Test/Silence Button, SC200
Informative LCD shows real-time CO concentrations and battery power to monitor for CO leaks and battery level; to save power, it will activate only when the device is tested or the ppm has reached the alarm level for a certain period
free delivery
HEIMAN Carbon Monoxide Alarm Detector EN 50291 Certified, CO Alarm Detector, 5-Year Replaceable Battery, 10 Year Sensor
Warning of carbon monoxide poisoning due to incomplete combustion (fireplace gas boiler)
free delivery
16% discount
UltraFire UBCO1 Battery Powered Carbon Monoxide Alarm with 10 Year Sensor Life | 10 Year Warranty | Certified to BS EN 50292
Suitable for bedrooms, living rooms, kitchens, and where a fuel-burning appliance is situated, like a fireplace, gas cooker or boiler
£ 18.95
Safeliveo Wireless Interlinked Wifi Smoke Alarm Heat Alarm Carbon Monoxide Alarm with Remote Control, App notification,10 Year Battery, 85dB Buzzer, Silence and Test Function,CE & BS Certified 6Pack
Pre-Linked 1 x WiFi Smoke Alarm, 2 x Smoke Alarm, 1 x Heat Alarm, 1 x Carbon Monoxide Detector, 1 Remote Control. This bundle has been 'Pre-Linked', after you receive the alrms, you only need to test detectors after switching them on according to the instruction manual and connect the WiFi smoke detector to your mobile phone, pay attention to use 2.4g WiFi.
free delivery
STATUS Monoxide Alarm | Home Carbon Monoxide Detector including Batteries | SDCMA3XAA1PB4
CARBON MONOXIDE DETECTION Effectively detects carbon monoxide (CO) gas, providing early warning and protection against this silent and deadly threat in the home.
20% discount
Carbon Monoxide Detector Portable with Digital LCD Display, Carbon Monoxide Alarm, Replaceable Battery CO Alarm Detector, 10 Years Life, Suitable for RV, Bedrooms, Compliant with EN 50291, 1 Pack
Peak CO Concentration Memory The visual LCD automatically records and saves the peak CO levels when an accident occurred, so an alarm triggered when you are outside the home can be confirmed using the recorded peak value.
£ 22.99
Aico EI3018
white
free delivery
Carbon Dioxide Detector, Bekasa 5-in-1 Air Quality Monitor Detector Indoor CO2 Sensor Digital TVOC HCHO Monitor Temperature Humidity Tester Backlight Display for Home Office Gym (Black)
Versatility The CO2 monitor meter has a compact design, small, and light, easy to carry, and has a new style. The CO2 monitor detector is not only used in homes, but also in places where people gather schools, hospitals, restaurants, shopping malls, savings and poorly ventilated places, production facilities, luggage storage, greenhouses, etc.
£ 19.99
Riiai CO2 Detector, Co2 Monitor Carbon Dioxide Monitor, Co2 Sensor Digital USB Charger Air Quality Sensor Detector with Temperature Humidity for Home Office Gym Car(White)
EASY TO OPERATE AND FAST TO CALIBRATE The CO2 detector can be automatically calibrated in 1-2 minutes by simply placing it in a ventilated area. Simple operation allows you to switch between temperature units and sound modes, so you can easily enjoy the convenient monitoring experience brought by the CO2 detector.
Hama Air Quality Meter (CO2 Traffic Light, Carbon Dioxide Detector for Measuring Room Air, Air Quality Monitor with Display for Temperature and Humidity), Black
CO2 air meter determines concentration of carbon dioxide (CO2) and displays value in ppm, includes temperature and humidity display
free delivery
CO Gas Tester,Handheld Carbon Monoxide Meter High Precision CO Gas Tester Monitor Detector Gauge
SMALL SIZE AND LIGHT WEIGHT This handheld carbon monoxide detector is easy to carry and operate, convenient for CO measurement. Lower power consumption, automatic shutdown within 10 minutes without any operation.
free delivery
Kidde 10SCO Combination 10 Year Life Carbon Monoxide and Smoke Alarm (1)
Different voice warnings for smoke and CO with loud 85dB alarm noise.
free delivery
3 In1 Carbon Dioxide Detector, Air Quality Detector Indoor, Temp & Humidity CO2-Meter Quality Monitor For Kitchen, Living Room, Bedroom, Office(White)
Compact and portable This air quality monitor is designed to be compact and portable, making it suitable for placement in various locations such as the kitchen, living room, bedroom, or even while on the go.
free delivery
SPREADTRON Air Quality Monitor Indoor CO2 Detector, Temperature+Humidity&PPM Tester with NDIR Sensor, Portable Digital Tester for Home&Cars Carbon Dioxide Meter
High-Tech SPREADTRON air monitorair quality utilizes an NDIR sensor, a sensitive high-performance chip, and can accurately and quickly detect indoor CO2 concentration, temperature,humidity, and perform a hazard assessment.When the concentration exceeds a certain level, the air quality monitor will warn you by automatically sounding an audible alarm and flashing the LED light in a double fast way.
free delivery
6% discount
Meross 10 Year Battery Smoke and Carbon Monoxide Alarm, LED Display Smoke CO Detector Complies with EN 14604 and EN 50291 Standards, Auto-Check, 85dB
10-YEAR BATTERY This smoke carbon monoxide detector contains a battery, and could keep for 10 years, saving on energy while remaining eco-friendly. The gas alarm can detect smoke, fire, carbon monoxide in one device, fully protecting your family.
£ 26.99 free delivery
Andyssey ZA326 H01 Carbon Monoxide Detector 10 Year Life Sensor and Battery, CO Alarm with Display, Test Button, EN 50291 Standards, 2 Piece
Effective Protection Against Carbon Monoxide (CO) The advanced electrochemical CO sensor detects dangerous carbon monoxide concentrations from 23 ppm to 999 ppm in real time, alerting you with a loud 85 dB alarm. The detector meets strict safety and performance standards and is EN50291 certified, ensuring your peace of mind and safety.
free delivery
28% discount
Scondaor Carbon Monoxide Alarm Detector EN 50291 Certified, CO Alarm Detector with Digital Display, Battery Powered, 10 Year Sensor
High Valued Alarm Features Automatic self-check function, Alarm concentration record and Test Silence features. False alarm can be silenced by press "Test" button
£ 28.99 free delivery
Smoke and Carbon Monoxide Alarm, HATHEPHS 10-Year Battery Smoke Alarm and Carbon Monoxide Detector with Real-Time LCD Display, Compliant with EN 14604 and EN 50291 Standards
Intuitive LED This smoke alarm and carbon monoxide detector features three colored ring LED lights for status updates red for alarm, green for normal operation, and yellow for faults.
free delivery
FireAngel Digital Carbon Monoxide Detector with 10-Year Sealed for Life Battery - FA3322 Humidity, Temperature and CO Alarm - Portable Carbon Monoxide Alarms for Home and Travel - CO Detector Monitor
TEMPERATURE AND HUMIDITY ALERTS The FireAngel carbon monoxide alarm also provides temperature and humidity readings. Warnings will sound if either reach extreme highs or lows, making the device perfect for bedrooms and living spaces.
free delivery
10% discount
Kidde 2030-DCR Compact 10 Year Life Carbon Monoxide Alarm with AA batteries
Provides low battery warning when batteries require replacement
£ 14.95
9% discount
Mini CO2 Detector, Portable Detector CO2 Monitor Meter Air Quality Monitor Carbon Dioxide Detector Portable Temperature and Humidity Detector for Travel Home Indoor
Accurate & Real Time The sensor module of co2 detector has high accuracy , good stability and anti interference, and accurately displays co2 concentration. Humidity display and three measurement modes. the carbon dioxide detector can do realtime detection, with a built in high performance chip, and uses monitoring technology to report the number of air changes.
£ 21.69
CO Detector Carbon Monoxide Alarm, Electrochemical Sensor CO Alarm, Lithium Rechargeable Battery CO Gas Tester, USB Plug in CO Monitor with OLED Digital Display for Home/Garage/Caravan (Champagne)
Prevent Carbon Monoxide Poisoning -- Our CO detector can real time monitor the CO concentration in air. When the CO concentration exceeds the standard, the detector gives out "di, di, d....." alarm and red light flashes until the ambient gas volume falls below alarm set point.
WOLF SHIELD Carbon Monoxide Alarm CO Detector Battery Sealed 10 Year life Portable Mini Carbon Monoxide Monitor with Display Test Silence Button for Home,Campervan and More
Absolute quality and safety WOLF SHIELD carbon monoxide monitor has EN 50291-1 2018 certificate,British Standard has accepted this as well, and CE certification. The carbon monoxide meter uses an advanced electrochemical sensor to quickly detect carbon monoxide concentration and has a sealed internal battery that can last up to 10 years under normal conditions.
free delivery
20% discount
Kocusu CO2 Monitor,Air Quality Monitor Indoor with LED Display,6 in 1 CO2 Detector Sensor,Carbon Dioxide Detector with Temperature,Humidity,HCHO,TVOC,PM2.5 for Home,Office,Car (White)
6 in 1 Air Quality Monitor Indoor not only detects CO2, it can also detect temperature, humidity, HCHO, TVOC, PM2.5, allowing you to better understand the air quality of your environment.
£ 26.99 free delivery
INKBIRD INK-CO2W WIFI CO2 Monitor, 3 in 1 Indoor Air Quality Detector, Carbon Dioxide Meter Temperature Humidity Monitor, CO2 Alarm Meter, App Control, Backlit Screen
Wifi Connection & Remote Montior This air quality monitor is 2.4GHz Wi-Fi capable and allows us to simultaneously monitor CO2 concentration, temperature, and humidity through the INKBIRD app anywhere anytime. Also, we can view historical data on the graphs and export them for further investigation.
free delivery
CPVAN Smoke and Carbon Monoxide Alarm with Digital Display, Combination Smoke & Carbon Monoxide Detectors for Home Safety, Smoke Alarm and Carbon Monoxide Detector with Dual Sensor. 2 Pack
Safety Certification Compliance with EN14604 2005 AC 2008 & EN 50291-1 2018 standards.
free delivery
CO2 Detector 3 in 1 Carbon Dioxide Detector, Portable CO2 Sensor with LCD Display, Temperature and Humidity Meter with Alarm Carbon Monoxide Meter Carbon Monoxide Detectors for Home 400-5000ppm Black
Large Screen for Precision Enjoy precise readings and easy readability with the large LCD screen. The device showcases air quality information with different colours green for 0-799ppm, yellow for 800-1199ppm, orange for 1200-1599ppm, and red for 1600-1999ppm, providing clear and precise data at a glance.
free delivery
Carbon Dioxide Detector, 5-in-1 Air Quality Detector Indoor CO2 Meter Digital, USB Charger Air Quality Monitor Sensor Detector with Temperature Humidity for Home Office Gym Car (Black)
COMPACT DESIGN AND VERSATILITY can be used as a desktop wall-mounted unit. The CO2 concentration meter has a compact design, is small, light, easy to carry, and has a new style.
free delivery
OBEST Carbon Monoxide Detector Alarm,CO Detector,with Digital Display, Wall-mounted Type, Simple Installation, Disaster Prevention Supplies, Disaster Prevention Storage Products
Battery Installation Use 3 * AAA battery power supply (to be purchased separately) consumption low life, with low power alarm, remind you to replace the battery in time
Safeliveo Carbon Monoxide Alarm, Carbon Monoxide Detector with Silence Button 10 Years Sensor Life for Home Safety, CO alarms Replaceable Batteries Powered - EN 50291 Standard,Standalone,1 Pack
Crafted with high-quality materials Our carbon monoxide detectors are constructed using premium materials to ensure durability and reliability in detecting harmful gas levels
Aico Ei208 Carbon Monoxide Alarm Lithium Battery
Product Type Gas Smoke Fire Alarm
free delivery
Scondaor Carbon Monoxide Alarm Detector, 10-Year Life CO Alarm Detector with Digital LCD Display, Replaceable Battery Operated (3 AA Battery Included)
85dB Loud Alarm and Visual Indicator The buzzer beeps and red indicator flashes when dangerous CO gas leak is detected to alert home members effectively. And green indicator flashes every 45s to indicate it is proper monitoring for CO constantly.
free delivery
Meross Carbon Monoxide Detector/Alarm, LCD Digital Display CO Alarm with 2 AA Batteries(Include) and Silence Function, 7-Year Fire Safety for House, Bedroom, Hotel
Unique Design Carbon monoxide alarm can be wall mounted or free standing - ideal for taking on holiday or when travelling. Precise electrochemical sensor, high consistency and stability. The Test Silence button can help you use the alarm better.
Air Quality Meter, Indoor Air Quality Monitor,Indoor Air Detector 5 In 1 Monitor For Carbon Dioxide, HCHO, TVOC Levels With Clear LED Display
Accurate 5-in-1 Air Monitoring This air quality monitor detects carbon dioxide, HCHO, TVOC, temperature, and humidity in real-time, ensuring clean and healthy air for everyone.
10% discount
Mini Carbon Monoxide Alarm, 3x AAA Batteries NOT Included,Battery Powered CO Alarm with LCD Digital Display
Safe & Reliable carbon monoxide alarm conforms to EN 50291 standard, used an electrochemical high sensitivity sensor with a lifetime of up to , can detect carbon monoxide gas leaks accurately and quickly, protecting you from hazards while minimising false alarms.
£ 9.99
Kidde 5DCO 10 Year Life Battery Powered Digital Display Carbon Monoxide Alarm
Digital display of CO levels from 30ppm. Detector alarms from 50ppm.
46% discount
WOLF SHIELD Carbon Monoxide Detector 10 Year Sealed Battery |Portable Alarm|EN50291:2018 |No Display (Black)
Each is 7 centimeters by 7 centimeters tall, smaller than a human hand. Every room in his main room has a clean and tidy side to him Because of the built-in battery, there is no need for leaking wires. You can hang it anywhere you need it, at home, office, RV, or campsite You can rely on our cooperative alerts to protect your health and safety.
£ 29.99
12% discount
X-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, CO Detector Alarm with 5-Year Replaceable Battery and Peak Value Memory, XC01-R
Intuitive Light A 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault
£ 32.99 free delivery
Kocusu CO2 Monitor with LCD Display,Air Quality Monitor Indoor,6 in 1 CO2 Detector Sensor,Carbon Dioxide Detector with HCHO,TVOC,PM2.5,Temperature,Humidity for Home,Office, (White)
High Accuracy CO2 Monitor Combination of semiconductor sensor and dust infrared sensor, which can effectively improve the accuracy of measurement, making the data more stable and safer to use.The detection is more accurate than other single sensors, and the data will be more stable and reliable.
£ 28.99 free delivery
Scondaor Carbon Monoxide Alarm Detector EN 50291:2018 Certified, CO Alarm Detector Monitor with Digital Display, Replaceable AA Battery Operated
High Sensitivity Carbon Monoxide Alarm This Scondaor Carbon Monoxide Detector conforms to latest EN 50291 2018 standard, with high accuracy and reliable performance electrochemical CO sensor, it can detect CO gas leak quickly to protect you from the hazards.
38% discount
Kidde 10LLCO Ten Year Life Carbon Monoxide Alarm with Sealed Longlife Battery
Unique water-based CO electrochemical sensor
£ 35.25 free delivery
17% discount
FireAngel Carbon Monoxide Alarm and Detector - FA3313 10-Year Sensor Life CO Alarm for Home with 1-Year Replaceable Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor - White
FIREANGEL HOME PROTECTION In addition to our carbon monoxide detectors, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms.
£ 22.99
SwitchBot CO2 detector with Built-in Hygrometer, Temperature Humidity Monitor with carbon dioxide monitor, Bluetooth CO2 Monitor, 2-Year Data Storage, SwitchBot Hub Required for WiFi Function
Portable and Durable Our air quality detector measures 3.6" x 3.1" x 0.9" and weighs just 0.34 lb. It has a built-in battery with up to 12 months of life and a low battery warnings. Features wall-mount holes and an adjustable bracket for versatile placement in any environment.
free delivery
WOLF SHIELD Carbon Monoxide Detector 10 Year Sealed Battery Life Mini Carbon Monoxide Alarm CO Monitor Sensor with Free Standing LCD Display Test Silence Function for Home Caravan, Campervan,Car,Etc
Alarm waiting time The waiting time for the co alarm to sound depends on how quickly the carbon monoxide level rises. Normally, it takes between 60 and 90 minutes for the co detectors to sound at 50ppm, between 10 and 40 minutes at 100ppm and immediately at 300ppm. If a large change in carbon monoxide concentration is detected over a short period of time, the co alarms may sound for a short period of time.
free delivery
6% discount
X-Sense Combination Smoke and Carbon Monoxide Alarm with English Voice Alerts, Smoke Alarm for Home with Replaceable Battery, XP0A-SR, 1-Pack
10-Year Lifespan Fire-retardant ABS material and 10-year sensor life offer reliable performance for up to 10 years; the replaceable CR123A battery lasts up to 5 years
£ 31.99 free delivery
INKBIRDPLUS Portable CO2 Detector, Indoor Air Quality Monitor, Carbon Dioxide Monitor, CO2 Alarm Meter with LCD Display, Rechargeable Battery for Home, Office
High Precision Sensor This CO2 detector adopts an advanced NDIR sensor, which detects carbon dioxide by infrared detection technology with high precision, strong anti-interference and excellent stability.
free delivery
Kidde K5CO Carbon Monoxide Alarm, Ten Year Alarm Sensor Life, AA Battery Powered (Replaceable)
Continuously monitors for carbon monoxide and emits an 85db alarm from 50ppm of CO in the air
X-Sense Carbon Monoxide Detector, 5-Year Replaceable Battery Carbon Monoxide Alarms for Home, Digital LCD Display CO Alarm Detector, Peak Value Memory, XC04-R
Peak CO Concentration Memory The visual LCD automatically records and saves the peak CO levels, so an co alarm triggered when you are away from home can be confirmed using the recorded peak value
free delivery
12% discount
Neoteck Portable CO2 Meter with Monitor CO2 and TVOC Values, Carbon Dioxide Detector Multi Color Alert System Brightness Sound Adjustable for Home Indoor
Dual Monitoring Function Neoteck Portable CO2 Meter simultaneously monitors CO2 (0-5000 ppm) and TVOC (0-2000 mg m ) levels, ensuring optimal air quality. CO2 and TVOC values automatically switch every 5 seconds with an accuracy of 50ppm and size is only 80mm * 47mm * 20mm, and it is also equipped with a special hanging rope for easy carrying or hanging
£ 41.99 free delivery
Kidde Carbon Monoxide Alarm - 2 Pack
Continuous monitoring for CO with a loud alarm on detection
free delivery
Carbon Monoxide Detector CO Alarm with 10 Year Sealed Battery LCD Digital Display and Sound Warning for Home Office safety EN50291
Display Screen and Indicators this carbon monoxide alarms for home provides real-time carbon monoxide levels, which is a great advantage for immediate response.
free delivery
Air Quality Monitor Indoor, 5 in 1 CO2 Monitor CO2 Detector Portable Air Quality Meter Carbon Dioxide Monitor with LCD Display, for Home Kitchen Office Car
Multi-Functional 5-in-1 Design This versatile air quality monitor can detect carbon dioxide concentration in the air, as well as HCHO, TVOC, temperature, and humidity. Get comprehensive insights into the air quality of your surroundings with this all-in-one monitor. Stay informed about multiple factors affecting the air you breathe with this multifunctional device
free delivery
17% discount
Carbon Monoxide Detector, CO Detectors with LED Indicator & Silence Button, EN 50291 CO Alarms Monitor for Home Safety (AA Battery NOT Included) (1PCS CARBON MONOXIDE DETECTOR)
This Carbon Monoxide Detector is built with both a electrochemical CO sensor to deliver consistency and reliability for double detection and protection, It is not recommended to install it in corners, cabinets and other places where there is no air circulation, and it is prohibited to place it in places with oily smoke
£ 11.99
Carbon Monoxide Detector,Carbon Monoxide Alarm With LED display, CO Alarms Monitor for Home Safety,Comply with EN50291 Standard (AA Battery NOT Included)
Carbon Monoxide Alarm This advanced carbon monoxide detector is equipped with a sensitivity electrochemical sensor to accurately and continuously monitor carbon monoxide levels. It is also equipped with an LED display for easy-to-read values (ppm). When the concentration exceeds a certain level, the alarm sounds and the red light flashes, and a buzzer sounds as a warning. You can quickly and clearly understand the concentration of PPM and take corresponding measures, which can effectively protect your personal and property safety. To ensure complete protection, be sure to place one on every level of your home and inside each bedroom.
47% discount
Ruan 10 year life carbon monoxide detector,LCD display and silent test key compliant Passed the EN50291 standard 10 year battery carbon monoxide alarm
10 year battery The carbon monoxide alarm has a 10 year service life. Built-in 10 years of lithium battery power, when the battery is low, the alarm will sound to remind you that it is time to replace the device.
£ 29.99
25% discount
Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector With Led Display Screen, And 85 Decibel Sound And Light Alarm
Mini Carbon Monoxide Detector is equipped with an LCD display for easy real-time reading of values (ppm) and audible and visual alarms. When the concentration exceeds a certain level, the alarm sound and red light will flash. You can quickly and clearly understand the PPM concentration and take appropriate measures to effectively protect your personal and property safety.
£ 11.99
CO2 Detector Carbon Dioxide Detector CO2 Monitor MESTEK Indoor Air Quality Tester 400-5000PPM Temperature Humidity Digital Meter NDIR Sensor Sound Screen Alarm LCD Portable for Home Bedroom Office Car
PORTABLE DESIGN The instrument is small in size and easy to carry. The packaging is high-grade, very suitable as a gift for friends. 1500mAH rechargeable lithium battery, 10 hours long battery life, and low battery reminder mode.
free delivery
5 in 1 CO2 Detector ABS Carbon Dioxide Monitor Indoor Air Quality Monitor with Battery Operated for Homes and Kitchen
Multifunction 5 in 1 meter can detect carbon dioxide concentration in air, and HCHO, TVOC, Temp, Humi, can meet your using requirement
free delivery
FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - 2-Pack - White
FIREANGEL HOME PROTECTION In addition to our carbon monoxide detectors, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms.
free delivery
15% discount
Sensereo Carbon Monoxide Detector Powered by Figaro Sensor, 10-Year Life Carbon Monoxide Alarm for Home Safety, Replaceable AA Batteries Included, CO Detector with LED/LCD Display, BS-EN50291 marked
2 x AA 5-Year replaceable batteries included. Providing a long-lasting protection and hassle-free replacement when low battery warning triggered. Reminder Unsealed Batteries compliant for all types of properties in England and Wales, EXCLUDING Scotland under the new regulations.
£ 24.98 free delivery
28% discount
Smoke Alarm and Carbon Monoxide Detector, Smoke Alarm and CO Alarms Battery Powered with LCD Digital Display and Sound Alarm, EN 50291 CO Monitor for Home Safety
Accurate Detection Our carbon monoxide alarm utilizes an advanced electrochemical high-sensitivity sensor, to accurately and quickly detect carbon monoxide gas leaks, effectively protecting you against potential hazards while minimizing false alarms.
£ 22.99
Defender 10 Year Carbon Monoxide Alarm BSI Rated - Battery Powered CO Detector - Carbon Monoxide Monitor LCD Digital Display
BSI APPROVED CO ALARM - Ensures the safety and well-being of occupants by safeguarding them against the hazards of carbon monoxide poisoning, offering peace of mind and protection.
20% discount
OBEST Carbon Monoxide Detector Alarm with Digital Display and Replaceable Battery Operation, CO Alarm Detector with Test Button and LED Status Indicator
Powered by 3 x 1.5V AAA batteries (batteries not included), low power consumption, good operation, long service life and simple installation, can be easily installed on the wall or ceiling in a few minutes
£ 16.99
19% discount
Carbon Monoxide Detector, Carbon Monoxide Alarm, Detector with LED Display (PPM Value Visible at All Times) and 85 dB Audible and Visual Alarm.
How to Use Carbon Monoxide Alarm Powered by 3 AAA batteries, it will automatically turn on after loading the batteries, and then enter 30 seconds countdown, then enter the working mode, the PPM value is visible at any time. No any operation background light will go out, but the screen value is long bright, convenient for you to check the PPM value at any time.
£ 12.99
Firehawk SML CO7B-10Y, White
Versatile mounting system
6% discount
Metriful CO2 Monitor with Alarm, Carbon Dioxide Air Quality Detector for Home and Work, Mute and Dim Functions, Adjustable Thresholds, Rechargeable Battery, NDIR Sensor
Detect bad air quality before discomfort occurs
£ 34.99 free delivery
Google Nest Protect - Smoke Alarm And Carbon Monoxide Detector (Battery)
It tells you what the danger is and where it is. The Split-Spectrum Sensor looks for both fast-and slow-burning fires. It also has a 10 year CO sensor so that it can tell you where poisonous, invisible CO is hiding.
free delivery
20% discount
Carbon Monoxide Detector, Large Screen Display of Carbon Monoxide Alarm with Fault Detection And Audible And Visual Alarms, Simple Installation CO Alarm for Kitchens, Bedrooms And Garages
LARGE-SCREEN DISPLAY CONCENTRATION The carbon monoxide alarms for home is equipped with a large-screen display, which can monitor the concentration of carbon monoxide in the air at any time. You can observe the concentration of carbon monoxide in the air at any time.
£ 19.99
LSENLTY Portable Carbon Monoxide Detectors Support, 3-in-1 CO Detector (Temp, Humidity, and CO), Alarm Function, Lanyard Design for Camping Travel Car RV Vehicle Aircraft Alarm 10 Year Life
Warm Tips When there is no carbon monoxide gas in the surrounding environment, the product will display normally 0000 PPM
free delivery
Mqjbhyf 4-In-1 Digital CO2 Meter Measure Carbon Dioxide Humidity Temperature TVOC Sensor Tester CO2 Air Quality Monitor Detector
1. Lithium battery direct charge, durable
17% discount
Carbon Monoxide Detector 3Pack,CO Detector,CO Alarms Monitor with LED Indicator & Silence Button for Home Safety (AA Battery NOT Included)
This Carbon Monoxide Detector is built with both a electrochemical CO sensor to deliver high consistency and reliability for double detection and protection, It is not recommended to install it in corners, cabinets and other places where there is no air circulation, and it is prohibited to place it in places with oily smoke
£ 22.99
LSENLTY Upgraded Carbon Monoxide Detector Plug in Wall, Carbon Monoxide Detectors with HD Screen&Indicator Visual&Audible Alarm, 3-in-1 CO Detector(CO Gas Meter, Temp and Humidity) for Home RV Travel
Upgraded HD Display Not only can you view the carbon monoxide concentration value intuitively on the HD display, you can also clearly see the temperature and humidity conditions that you pay attention to daily, and say goodbye to the eye-catching small screen of the traditional carbon monoxide detector. You can clearly see the readings of carbon monoxide, temperature and humidity from multiple viewing angles.
free delivery
Mini Carbon Monoxide Detector, with Replaceable Battery with LCD Digital Display and Audible Alarm CO Detector, EN 50291 CO Alarm Monitor for Office Home Security (Battery Not Included)
Safe & Reliable Carbon monoxide detector conforms to EN 50291 standard, utilizes an advanced electrochemical sensitivity sensor, can detect carbon monoxide gas leaks accurately and quickly, protecting you from hazards while minimising false alarms.
Temtop CO2 Monitor Portable Carbon Dioxide Meter, 3-in-1 Air Quality Monitor CO2 Detector with Temperature and Humidity for Travel Home Grow Room
Accurate Air Monitoring The C10 Air Quality Monitor accurately detects the current CO2 concentration, temperature, and humidity in real-time. It provides you with instant information about your indoor air quality.
free delivery
Carbon Monoxide Detector with LCD Digital Display Portable CO Alarm EN 50291 Certified 10 Year Sensor with Batteries Silence Function Free Standing Loud Alarm
Why do you need a CO detector? Quite simply to survive! CO poisoning is dangerous and invisible. They can be caused by poor combustion of gas and block the oxygen in your body, leading to suffocation. A detector alerts you when CO is in the house and can save your life if there are problems with the flue or flue components. So, for a gas boiler at home, a CO detector is a must!
Carbon Monoxide Detector,Carbon Monoxide Alarm Replaceable Battery Operated with LCD Digital Display,CO Alarm Detector Monitor with Test Button for Home(Batteries NOT Included)
CARBON MONOXIDE DETECTOR FOR HOME SAFETY Equipped with an advanced electrochemical sensor, this device accurately detects harmful levels of carbon monoxide (CO) in your home. It alerts you with four loud beeps (85 dB(A) at 3 metres) and a flashing red LED. NEVER IGNORE THIS WARNING.
Air Quality Monitor Indoor, Detector Portable CO2 Battery Operated Carbon Dioxide 5 in 1 HCHO TVOC Temp Humi Meter for Home, Grow Tent, Wine Cellar, Car
KIMISS
free delivery
CO2 Detector Monitor Air Quality Indoor, Kethvoz Mini Carbon Dioxide NDIR Sensor Detect CO2 Gas with Alarms, Display Temperature Humidity for Indoor Home Office Car Grow Tent
3 in 1 Multifunctional Built-in advanced NDIR (Non-Dispersive Infrared) sensor, Kethvoz Mini air quality monitor T6-D8 can detect carbon dioxide CO2 concentration 400 5000ppm with 5% high accuracy, display temperature -10 50 and humidity 0 95% together. Temperature Celsius & Fahrenheit degrees switchable.
free delivery
Kidde 10SCO Combination Smoke and Carbon Monoxide Alarm with Voice Notification
The voice warnings given by this alarm are "fire! Fire!" "Warning! Carbon monoxide" "Caution, carbon monoxide previously detected" "Hush mode activated" "Hush mode cancelled" "Low battery"
free delivery
7% discount
Honeywell Home R200C-1 Carbon Monoxide Detector alarm-R200C-1
IP44 grade
£ 34.77 free delivery
X-Sense 10-Year Product Life Carbon Monoxide Alarm Detector, Replaceable Battery-Operated CO Alarm Detector with Digital Display, CO03B
FULLY-FEATURED Malfunction warning, low battery warning, end-of-life indication, and silence mode enabled; surface mounted technology (SMT) and anti-RF technology (radio frequency will not interfere with the unit) ensure steady performance
KETOTEK CO2 Monitor, CO2 Detector, 3 in 1 Air Quality Monitor Indoor for Temperature Humidity Carbon Dioxide Measurement, CO2 Meter with Digital LCD Display and CO2 Alarm
3-in-1 Detector This multi-functional CO2 detector accurately detects the CO2 concentration in the air, ambient temperature and humidity in real time. A buzzer warns when the CO2 concentration exceeds the safety value you set. Press any key to turn off the alarm sound. It can also be used as a daily clock and alarm clock. Carbon dioxide detection range 400-5000PPM. Temperature detection range -9.9 50 (14.2 122 ). Humidity detection range 1-99%RH.
free delivery
Carbon Dioxide Detector, Handheld CO2 Monitor 3 in 1 Carbon Dioxide Detector Temperature Humidity Monitor for Indoor, Indoor Air Quality Meters
Rechargeable Battery With a micro usb interface charging port and a high capacity 2000mAh battery, you can use our CO2 monitor for a long time without having to change the battery often. Charging the CO2 monitor for 2 hours will ensure 18 hours of use.
free delivery
Sunydog 9 in 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Office
9 in 1 Multifunctional air quality detector real-time displays time and date and monitors CO2 concentration, HCHO value, TVOC value, PM2.5 PM1.0 PM10 value, temperature and relative humidity in the air.
free delivery
29% discount
Carbon Monoxide Detector, Carbon Monoxide Alarm with Digital Display and Audible 85DB Alarm, Battery Powered(Battery not Included), Suitable for Camping, Home, Office, School, in Accordance
Carbon Monoxide Detectors - Carbon Monoxide Detectors have passed certification and comply with EN 50291 standards, providing you and your family with the highest level of safety and reliability.
£ 16.99
Mini Carbon Monoxide Detector 2 Pack, CO Detector With LED Digital display,EN 50291 arbon Monoxide Alarm Monitor for Home Safety (AA Battery not Included)
The carbon monoxide detector alarm continuous monitoring of Carbon Monoxide levels to keep your family safe. Operated by 3 * 1.5V AAA batteries (not included),portable and easy installation,no need for socket, not affected by power failure, can be installed anywhere specified in the instructions!
10% discount
Carbon Monoxide Alarm CO Detector，Carbon Monoxide Monitor with LED Display Test，CO Alarms Monitor for Home Safety,Disaster prevention supplies(AA Battery NOT Included)
Easy to Use The carbon monoxide detectors is easy to install and operate, making it user-friendly even for those who are not tech-savvy. No wired,It can be easy wall mounted or free standing; you can take it during travel to protect you especially when there has fireplace or smoke
£ 9.99
Mini Carbon Dioxide Detector, 3-in-1 CO2 Tester Temperature Humidity Air Analyzer, Portable NDIR Sensor CO2 Monitor with Alarm, Digital CO2 Meter Air Quality Monitor for Home, School, Office, Travel
Long Battery Life The digital CO2 detector built-in a 1000mAh rechargeable battery with Type-C USB port, lasting for 24 hours. This lightweight air detector could be widely applied to home, school, office, travel car, tent, boat, camper, RV, aquarium, and grow room to monitor air quality
FireAngel Carbon Monoxide Alarm and Detector - FA3313 10-Year Sensor Life CO Alarm for Home with 1-Year Replaceable Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector - 2-Pack - White
FIREANGEL HOME PROTECTION In addition to our carbon monoxide detectors, we offer a wide range of other safety products designed to protect you and your family. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms.
free delivery
7% discount
Carbon Monoxide Detector, LED Indicator Light and Silent Button Carbon Monoxide Alarm. Replaceable Battery, LCD Display, Audio Alarm. Complies with EN50291 (Batteries Not Included) …
Carbon Monoxide Detector Equipped with LED display screen, easy to read numerical values (ppm). the alert time depend the level of carbon monoxide concentration. When the concentration exceeds a certain level, the alarm sound and red light will flash, and a beep warning will sound.50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes.
£ 9.99
UltraFire UBCO1D – 10 Year Life Battery Powered Carbon Monoxide Alarm with Digital Display - 10 Year Warranty
Suitable for bedrooms, living rooms, kitchens, and where a fuel-burning appliance is situated, like a fireplace, gas cooker or boiler
Besttoolifes Indoor Air Detector 5 In 1 Monitor For Carbon Dioxide, HCHO, TVOC Levels With Battery Operated For Homes And Kitchen
Enhanced Air Circulation The air detector features a multi-mesh design with 4-sided openings, increasing air circulation, overheating, and providing more accurate measurement data. This extends the service life of the air monitor.
6% discount
Carbon Monoxide Alarm Detector，CO Detector With LED display, Carbon Monoxide Detector and Replaceable Battery CO Alarm for Your Home, Garage, Office (2 Pack，AA Battery NOT Included)
Carbon Monoxide Alarm This advanced carbon monoxide detector is equipped with a sensitivity electrochemical sensor to accurately and continuously monitor carbon monoxide levels. It is also equipped with an LED display for easy-to-read values (ppm). When the concentration exceeds a certain level, the alarm sounds and the red light flashes, and a buzzer sounds as a warning. You can quickly and clearly understand the concentration of PPM and take corresponding measures, which can effectively protect your personal and property safety. To ensure complete protection, be sure to place one on every level of your home and inside each bedroom.n Monoxide Detector
£ 15.99
OBEST Carbon Monoxide Detector Alarm with Digital Display and Replaceable Battery Operation, CO Detector Alarm with Test Button and LED Status Indicator
Powered by 3 x 1.5V AAA batteries (batteries not included), low power consumption, good operation, long service life and simple installation, can be easily installed on the wall or ceiling in a few minutes
Co2 Monitor, Home Co2 Detector with TVOC Sensor Air Quality Monitor Carbon Dioxide Detector for Indoor Spaces
Wide-Range Applicability - With its compact design, the Portable Carbon Dioxide Detector is qualified for air quality monitoring in homes, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories, and other indoor environments.
free delivery
Besttoolifes 5 in 1 Environmental Monitor, 4-color LED Lights Carbon Dioxide Detector, Formaldehyde TVOC Temp Humidity, for Accurate Indoor and HCHO Detection, Indoor Air Quality Monitor
Accurate 5-in-1 Air Monitoring This air quality monitor detects carbon dioxide, HCHO, TVOC, temperature, and humidity in real-time, ensuring clean and healthy air for everyone.
Combination Carbon Monoxide Alarm Detector & Smoke Alarm, Replaceable Battery Operated Alarm Detector with Digital Display and Voice Alarm,For Your Home, Garage, Office (AA Batteries NOT Included) …
Quick & Easy Installation It can be installed independently, without wires, just three batteries. It can be placed or fixed where you want. Carbon monoxide is lighter than air, so it is recommended to install it at a distance of 30cm from the ceiling 3-color flashing LED indicator (red, green, yellow)
£ 18.99
Cloudpower Air Quality Monitor, Indoor Air Detector 5 In 1 Monitor Carbon Dioxide Detector Monitor Air Quality Sensor With Battery Operated for HCHO TVOC Homes and Kitchen
Accurate 5-in-1 Air Monitoring This air quality monitor is equipped with advanced sensors that accurately detect carbon dioxide, HCHO, TVOC, temperature, and humidity in real time, providing comprehensive air monitoring.
free delivery
Combination Carbon Monoxide Detectors &Smoke Alarm, CO Alarm Detector With Digital LCD Display and Voice Warning,Suitable for your Home,Garage,Office(9V Batteries NOT Included)
NOTE It is not recommended to install it in corners, cabinets and other places where there is no air circulation, and it is prohibited to place it in places with oily smoke(Maximum service life 3 years)
Lubrol Air Monitor CO2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Meter for CO2, Black
Geakv
free delivery
10% discount
Honeywell R200C-1 CO Carbon Monoxide Detector 10 Year Battery CO2 Alarm R200 for Home Caravan Mobile Homes Boats
Sealed Battery-Power for Convenience The Honeywell R200C-1 carbon monoxide detector is battery-operated, allowing for flexible installation anywhere in your home without the need for wiring, and ensuring continuous 10 year protection
£ 33.24 free delivery
16% discount
Carbon Monoxide Detector,Carbon Monoxide Alarm, CO Detector With LED Display And Voice Broadcast
EiBEST
£ 8.99
Kidde 7COC Carbon Monoxide Alarm 10 Year Sensor & Warranty (1)
Continuous monitoring of carbon monoxide
free delivery
