Fariedl Plug-in 3-in-1 carbon monoxide detector with built-in temperature and humidity sensor for kitchen garage fireplace RV Gas Detector

3-in-1 Carbon Monoxide Monitor – Detects Carbon Monoxide (0-999 PPM), Temperature (14-122°F) and Humidity (0-95% RH) Plug and Play – No installation required, just plug in and go. Loud and accurate alarm - using highly sensitive electrochemical sensors. When carbon monoxide levels exceed 150 PPM, an audible and light alarm is triggered, emitting a loud 85 decibel alarm. Compact and Clear Display - The LCD screen provides clear, high-definition readings even in low-light environments. Wide application - suitable for bedrooms, kitchens, living rooms, bathrooms, apartments, garages, offices, restaurants, hotels, RVs, yachts, etc.