Gas Alarm using for LPG,NG,City Gas 1.power:AC electricity ... leakage for kitchen2.using field:LPG,Natural Gas, City Gas3.alarm sound level:more than 85 dB within 3 meters4.voltage ... :110/220V ,50/60HZ5.material:ABS6.AC powerd7.safe,stable,durable and less impact by other organic solvent8.other ... make sure good quality and 100% test before shipping! Gas Alarm & Detector