Power Supply: 5 Volts
Interface Type: Analog & Digital
High Sensitivity to Alcohol & small sensitivity to Benzine.
Stable & Long Life.
On board Power indication.
This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ3 Alcohol gas sensor as a alcohol gas sensing element. It requires no external components just plug in Vcc & ground pins and you are ready to go.