Type : AR-WFA-CP90-GD
Working Voltage : AC 100V ~ 240V
Standby current : <100mA 
Alarm Range : Natural gas 3%~15%LEL
Alarm sound : >70dB (right ahead 1m)
Installation style : Wall mounted
Ambient Temperature : -10°~55°C
Humidity range : 10% ~ 95% 
Air pressure : 86~106 Kpa
Use Style : Standalone or networking