- Model: MQ-6  - Quantity: 1  - Color: Blue + Silver  - Material: PCB board  - High quality double panel design, with power and TTL signal output indicator  - With DO switch signal (TTL) output and AO analog signal output  - TTL output effective signal for low level (when output lower than usually the signal light, can be directly meet SCM or relay module)   - Analog output voltage: 0~5V, the higher concentration, the higher voltage  - High sensitivity for the propane and butane, LPG, LNG detection   - There are four screw holes for positioning  - Product size: 32mm (L) x 20mm (W) x 22mm (H)  - Long service life and reliable stability, fast response and recovery characteristics  - Working voltage: 5V  - Suitable for home / industry LPG, propane, butane, LNG detection using  - Before use, please heat the board for about 20 seconds  - Packing list:  - 1 x Sensor module<img src="http://112.74.112.28/down/products/179926/179926_000.jpg">