·Power:  AC110-240V/50Hz,60Hz
·Alarm volume :  ≥85db@1M
·Alarm pattern: BI 0.5s--pause 0.5s repeat this pattern
·Operating Temperature : -10℃~50℃
·Ambient Humidity : 10%~ 90% RH
·Power Consumption : ≤4 W
·Detection gas type: LPG,NG(LNG),other flammable gas
·Alarm sensitivity : <10%LEL