Specifications and Features:

1. Dimensions: 36 x 20 x 21 mm(LxWxH)
2. Weight:8 gm
3. Operating Voltage is +5V
4. Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
5. Analog output voltage: 0V to 5V
6. Digital Output Voltage: 0V or 5V (TTL Logic)
7. Preheat duration 20 seconds
8. Can be used as a Digital or analog sensor
9. The Sensitivity of Digital pin can be varied using the potentiometer