Purchase Qty. Reference FOB Price
50-299 Pieces US$1.00
300-999 Pieces US$0.90
1,000+ Pieces US$0.85
Product Description
MQ-4 Methane Natural Gas Sensor Module For Arduino Board Specification: - The gas sensing material used in the MQ-4 gas sensor is tin dioxide (SnO2) with low conductivity in clean air. - When there is a flammable gas in the environment where the sensor is located, the conductivity of the ...