Feature:

MQ-2 MQ2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module For Arduino
100% band new and high quality

Specification:
Quantity:1pc
Color : black
Size:32mmx22mmx27mm/1.26\'\'x0.86\'\'x1.06\'\'
Main Chip: The LM393， ZYMQ - 2 Gas Sensor
Working Voltage: DC 5 V
Great for home or factory gas leakage detection
Use for Detecting: Combustible gas such as LPG， butane， methane， alcohol， propane， hydrogen， smoke， etc

Package Included:
1 x MQ-2 Smoke Gas LPG Butane Hydrogen Gas Sensor Detector Module For Arduino