Detecting gas: Lpg, natural gas, and coal gasPower supply: Ac110v~ac220vPower frequency:50/60hzAlarm thickness: Lpg:0.1~ 0.5%; natural gas:0.1~ 0.3%; coal gas 0.1~ 0.5% Alarm volume: Over 85dbWorking environment: -10. C~ 50. CRelative humidity <_97></_97>
Detecting gas: Lpg, natural gas, and coal gas
Power supply: Ac110v~ac220v
Power frequency:50/60hz