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. 1x English manual.
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Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection w/ Alarm
Aliexpress UK
1X-10X CO Detector Carbon Monoxide Alarm 10 Year Life with Battery & LCD Display. 1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz versio n, can be independent alarm.
eBay
Tuya Smart Life Natural Gas Co Leak Carbon Monoxide Detector Wifi Ch4 Methane Combustible Leakage Coal Home Alarm Sensor For Gas
Aliexpress UK
TVOC: 0-9.999mg/m³. HCHO detection range: 0-9.999mg/m³. PM2.5 detection range: 0-999ug/m³. 1 Air Detector. CO2 detection range: 400-5000PPM. ★ Four-color alarm: There are four different colors to show the different quality of the air being monitored: green for good air quality, and colors from yellow to orange to red for poor air quality.
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Tuya WiFi/ZigBee CO Combustible Gases Leak Detector Portable Carbon Monoxide Gases Leakage Tester Gases Concentration Tester
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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Tuya Smart Life Natural GAS CO Leak Carbon Monoxide Detector WIFI CH4 Methane Combustible Leakage Coal Home Alarm Sensor
Aliexpress UK
TVOC Detection Ranges: 0-2.0mg/m3. HCHO Detection Ranges: 0-0.6mg/m3. Quick Heat Dissipation: With multiple ventilation holes, which accelerate the convection between the air and the detector, to achieve effective detection and provide a nice heat dissipation effect.
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2 in1 Natural Gas Detector Carbon Monoxide Detector, Combustible Gas Leak Detector Monitor For Co, Lpg, Methane In Kitchen
Aliexpress UK
1X CO alarm detector. Output form:Sound and light alarm. Low battery indicator. Alarm sound:>80dB(1m). Low battery warning function. 10 year life of the sensor. Sensor error self-test (good reliability).
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A76G-Carbon Monoxide Propane Gas Leak Detector Dual LP/CO Gas Alarm For RV And Home Use-12V DC RV Propane
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
Independent CO Alarm Sensor Carbon Monoxide Alarm Detector High Sensitive Warning Review LCD Display 3-year Sensor Lifespan
Aliexpress UK
3x No. 5 batteries (Each carbon monoxide detector Includes 3x No. 5 batteries). When the carbon monoxide sensor is detected to be broken or short-circuited, the yellow indicator light blinks, and every 1 minute.
eBay
Professional Multifunctional Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
Aliexpress UK