Gas leaking detector
1) Visual and audible
2) Led numeric display instant gas leak thickness
3) Lpg, natural gas, coal gas

Gas leaking detector 

With three indicators: power, state, alarm

Specification:

1) Detecting gas: lpg, natural gas, coal gas
2) Power supply: AC100v-AC240v
3) Power frequency: 50/60 hz
4) Rated load: <4w
5) Alarm thickness: lpg 0.1-0.5%; natural gas: 0.1-0.3%; coal gas: 0.1-05%
6) Working temperature: 10 °c ~50 °c
7) Relative humidity: <97%RH
8) Storage temperature: -25 °c ~55 °c