Description:Plug: US (This is only for US plug， just for American and Canadian User， please confirm that before make the order) This gas Detector can detect dangerous and ignitable gas leaking， such as natural gas， Town gas and LPG.If the gas density gets a certain limited figure， the detector will send a sound and light alarm to warn people to keep away from the dangerous area.This product can be used as independent family alarm equipment， and also can be used as front detector of alarm system.With high stability and long service life Wall mounting， elegant design and low power consumption. Easy installation and maintenanceTo be resumed automatically after alarming dissolved.Specification:Targeted gas: coal gas， natural gas， LPGGas Density for alarming: coal gas 0.1 ?? 0.5%; natural gas 0.1 ?? 0.3%; LPG 0.1 ?? 0.2%Operating voltage: 12V-24V DC/110V-220V ACOperating current: 100mA Operating temperature: -10??~50??Operating humidity: less than 97% Alarming output: Red LED flashes and an acoustic alarm Alarming volume: 85 db at the distance of 10 feetResponding period: less than 20 secondsMaterial: plastic Color: WhiteProduct size: 110mmX69mmX37mmPackage Included: 1 x Gas Detector1 x User Manual