... 936 ensures a continuous and precise monitoring of flammable gas. Gas alarm features:1.AC Powered;2.3 LED indicators ... with EN50194,UL1484;10.5 Year quality limited warranty; Gas alarm specifications:Power SupplyAC110V/220V, 50/60HZPower Consumption4WTypical ... and security alarm products, including smoke detector, co detector, gas detector, heat detector, water detector, etc. more information, ...