Specifications:

Its dimensions are 36 x 20 x 21 (LxWxH)

Its weight is 8gm.

Its operating voltages are plus 5V.

It can be used to detect LPG, Alcohol, Propane, Hydrogen, CO, and even methane.

Its analog output voltages are 0V to 5V.

Its digital output voltages are 0 to 5V.

Its preheat duration is 20 seconds.

This sensor can be used as a digital or analog sensor.

Its sensitivity can be varied by the potentiometer.