This is GAS Detector with mechanical hand use gas pipe, the detector will send signal to mechanical hand, and mechanical hand will close the ball valve when LPG or LNG leak in the house.

The details as follows:

Working voltage: 5-12VDC

Working current: 100-500mA

Close time: ≤20s

Operating condition: temperature: -10℃～+50℃ 

Relative humidity：35%-95％ RH
Life: ≥5000 times