85 dB Loud Alarm Gas Detector: When the RV carbon monoxide and propane detector detects carbon monoxide or propane in the air exceeds safe levels, it emits a loud 85-decibel alarm and a flashing red ...

Natural Gas Leak Detector and Carbon Monoxide Detectors - 4 in 1 Natural, Propane, Co & Gas Leak Detector - Carbon Monoxide Detectors Plug in - Temperature & Humidity Detectors for Home, RV (2 Packs) ...