- Input voltage : DC5V Power consumption ( current ): 150mA
- DO output : TTL digital 0 and 1 ( 0.1 and 5V)
- AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V
- Gas Detection:
* Propane
* Butane
* Liquid petrolium gas