Smoke Gas Sensor Module MQ-2 LPG Propane Methane Sensor Hydrogen Smoke Gases Detects Module

This product is used to detect smoke and combustible gases, including hydrogen, methane and liquid propane gases (LPG).

Features:
Used to detect smoke and combustible gases, including hydrogen, methane, and liquid propane gases (LPG).
Dual signal output. Analog (AO pin) and TTL (DO pin) level output.
TTL output signal is normally low, goes high when gases is detected. Threshold is adjusted by the onboard potentiometer.
0~5V analog output voltage. The higher the gases or smoke concentration, the higher the voltage.
Has nice sensitivity for liquefied gases, natural gases, city gases and smoke.
Has four screw hole for fixing.
Has quick response, long spanlife and reliable stability.
Suitable for home and industrial use. 

Specifications:
Input voltage: DC 5V
Power dissipation (current): 150mA
Item size: 32 * 22 * 20mm / 1.26 * 0.87 * 0.79in
Package size: 45 * 45 * 20mm / 1.77 * 1.77 * 0.79in
Package weight: 13g / 0.46ounces

Note:
1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
2.Please allow a little measuring deviation due to manual measurement.

Package List:
1 * MQ-2 Smoke and Combustible Gases Sensor Detector Module