·Power: AC-DC adapter,9V battery backup
·Mounting: Accessories supplied for wall mounting.
·Alarm volume : ≥85db@1M
·Alarm pattern: BI 0.5s--pause 0.5s repeat this pattern
·Operating Temperature : 0°C ~ 50°C
·Ambient Humidity : 10%~ 90% RH
·Power Consumption : ≤4 W
·Detection gas type: LPG,NG(LNG),other flammable gas
·Alarm sensitivity :  <10%LEL
·Output signal: nature-open and nature –close.
·Packing size :125mm x 110mm x 55mm
·Weight:0.35kg