5-in-1 CO, Smoke & Gas Detector with Temp & Humidity Display – Plug-in & Backup
It alerts you instantly to gas leaks, fire hazards, or poor air quality, while also keeping an eye on room comfort levels. Thehigh-definition LCD screen displays up-to-the-second readings ofCO levels, gas (%LEL), smoke presence, room temperature (°F), and humidity (RH%) — even in the dark.