smoke alarm detector,GAS detector,SMOKE detector,IR detector,home alarm system,heat detector,carbon monoxide detector,LPG,LNG Detect ... LPG leakage.Intelligent MCU control, low power consumptionVisual light and audio alarm ... 15°C~+50°C relative humidity:≤93%Alarm volume:≥80dBResponse time:≤20s recovery time:≤30s ...