2X Carbon Monoxide Detector Warning Alarm Sensor LED Digital Battery Powered.
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Tuya WiFi Multifunctional Air Quality Meter Household HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Tester 2.8-inch TFT Display
Aliexpress UK
1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz versio n, can be independent alarm. Life yellow light:Sensor life. Sensor life: 5-10 years. Battery life:at least 1 year.
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Wireless Interlinked Smoke and Heat Alarm Detector,Carbon Monoxide Alarm 10-Year Sealed Battery, Large Test/Silence Button,
Aliexpress UK
1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz versio n, can be independent alarm. Life yellow light:Sensor life. Sensor life: 5-10 years. Battery life:at least 1 year.
eBay
4-in-1 Carbon Monoxide Detector Accurate detection LED Screen Portable Travel Rechargeable CO and CO2 Detector with alarm sound
Aliexpress UK
1-10X Carbon Monoxide Alarm 10 Year Life LED Display CO2 Sensor with Battery HOT. Installing the carbon monoxide detectors battery powered is easy and convenient. You can choose to mount co detector on the ceiling or wall using either the provided screws.
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9in1Tuya WiFi Air Quality Meter Household HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Tester Portable Temperature Humidity Detector
Aliexpress UK
Digital Carbon Monoxide Detector Alarm Warning Alarm Sensor LED Battery Powered. C605carbon monoxide. SC06: Carbon monoxide&smoke. C0999arbon monoxide. Sensor type: electrochemistry. Style: Digital screen display.
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Tuya WiFi Multifunctional Air Quality Meter Household HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Tester Portable
Aliexpress UK
The ABUS Carbon Monoxide Detector is a reliable warning alarm sensor powered by 3 batteries. It features an electrochemical carbon monoxide sensor for accurate detection and voice alerts to ensure you are aware of any potential dangers. With a sturdy construction and a 3-year manufacturer warranty, this digital sensor offers peace of mind for your home security. The sleek white design and compact size make it easy to install in any room, providing you with added protection against carbon monoxide leaks.
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FMAI K5E CO2 and CO Carbon Monoxide Detector 2 in 1 Air Quality Monitor 1000mAh Battery Type-C Charging for Indoor and Travel
Aliexpress UK
10 Year Wireless Carbon Monoxide Alarm (Long life sealed-in batteries). Wireless interlink battery operated carbon monoxide alarm with sealed-in long-life lithium battery. END OF LIFE INDICATOR. AUTO SWITCH MOUNTING BASE.
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HABOTEST HT621+ Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge Sound and Light Alarm 0~5000ppm
Aliexpress UK
With its mains powered feature, it ensures constant monitoring for both heat and carbon monoxide, providing peace of mind for you and your loved ones.
eBay
Wireless Interlinked Smoke | Carbon Monoxide | Heat Alarm/Detector with Remote Controller ,10-year life Li-battery, CE,/UKCA
Aliexpress UK