Gas Smoke Alarm CO Detector W/ Backup Batter 5-in-1 Temp & Humidity For Home RV
【Adjustable Gas Sensitivity】This detector provides a dual-sensitivity mode (S1/S2) for optimized gas detection. 【Loud Audible & Visual Alarm】When CO, smoke or combustible gas threats are detected, the unit triggers a dual alarm with bright flashing lights and an 85dB+ sound.