burglar wireless Lpg gas sensor detector , gas lea

The gas detector is used to detect LPG, coal gas and natural gas,1. With the most advanced MCU and central processing technology, the gas alarm can be used to detect LPG, natural gas or coal gas. 2. Also it has 7 termials at the back of the gas alarm, which enable it can work with auto shut off solenoid valve (12v), exhaust fan (110v/220v), and wired/wireless alarm system 3. Build-in siren, sensitivity adjustable 4. Auto reset 5. Low false and missing alarm, highly relibale If you do not need so many functions, we can reduce the inside relays and the price could be lower.