Portable 4-in-1 CO Detector with Smoke & Natural Gas, Plug-in Safety Alarm
The device can detect combustible gases and other hazards, such as cigarette smoke or flammable substances. 【4-IN-1 COMBO GAS & CO DEVICE】This 4-in-1 combo gas and carbon monoxide (CO) device combines the power of four essential monitoring functions: carbon monoxide (CO) (0–2000 PPM), combustible gas (0–10% LEL), temperature (1–176℉), and humidity (0–95% RH).