1． Adopting high-quality semiconductor calefaction type sensor
2． MCU intelligent supervise control and SMT chip technology
3． Visual and audible alarm function
4． LED numeric display technology, display instant gas leak thickness.
Detecting gas: LPG, natural gas, and coal gas
Power supply: AC100V~AC240V
Power frequency: 50/60Hz
Rated load:<4W
Alarm thickness:3%-10%LEL
Alarm volume:≥85dB
Working environment: -10℃～50℃
Relative humidity<97％RH