1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. 10 Year Life Carbon Smoke Monoxide Detector with Battery CO Wifi Warning Sensor. This machine is 433mhz versio n, can be independent alarm.
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Carbon Monoxide Detector CO Gas Monitor Alarm Battery Powered CO Sensor Detector with LED Digital Display for Home,Depot Test
Aliexpress UK
Electric Fence Energiser 12v 230v Battery Mains 10Km Range Stake Leads Kit 2J. Rapid and Accurate Carbon Monoxide Detector: Equipped with an electrochemical CO sensor, this CO alarm ensures swift and precise detection of carbon monoxide levels.
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High-Precision Portable Air Quality Detector Handheld HCHO Sensor Tester Tracks PM2.5 Haze Dust Meter Multi-Gas Detector
Aliexpress UK
Combustible and explosive gas detector. hydrogen sulfide. Detects carbon monoxide. Carbon monoxide. Sensor preheating: automatic (50s). Loud Sound Signaling (85db) (muting with the button). Power: 3VDC (1400mAh lithium-ion battery).
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Detu testo350 flue gas analyzer detector NOX SO2 nitrogen oxide detector Detu 340
Aliexpress UK
High-quality, high-stability sensor, sensitive response, reducing false alarms. Product material: plastic. Product color: white.
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ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
Aliexpress UK
1X CO alarm detector. Output form:Sound and light alarm. Low battery indicator. Alarm sound:>80dB(1m). Sensor error self-test (good reliability). 10 year life of the sensor. Low battery warning function.
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FT-R7 tracer gas detector hydrogen nitrogen mixed gas pipeline detection
Aliexpress UK
High-quality, high-stability sensor, sensitive response, reducing false alarms. Product material: plastic. Product color: white.
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ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
Aliexpress UK
Kane-May Single Gas Analyser SGA91.
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Desktop Carbon Dioxide Air Quality Monitor High Sensitivity Temperature Humidity Gas Monitor Indoor Tuya-Wifi CO2 Gas Detector
Aliexpress UK
Battery operated with 2x AA 1.5V batteries (Lithium) included. It has a loud acoustic alarm (85 decibels) and visual warnings via a LED display. This CO alarm also warns you at the end of its service life and when the batteries are low.
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Car Cylinder Leak Down Tester TU-21 Gasoline Engine Compression Tester Dual Gauge Leakage Detector Kit with Red Case
Aliexpress UK