MQ-2 Smoke Gas LPG Butane Hydrogen Sensor Module

SODIAL(R) Blue Bottom MQ-2 Gas Sensor Smoke Detection Module Sensor ICSG017A for Arduino
The dual signal output (analog output and TTL output)
The analog output and increased with the increase of concentration, the higher the concentration higher voltage
Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases
With a long service life and reliable stability
Quick response and recovery characteristics
With mounting holes, easy mounting
The probe can be plug design, convenient test

Note:
Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.