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MQ-4 DC5V LPG Alcohol Methane Hydrogen Smoke Gas Detector Sensor Module For Arduino FZ0893

MQ-4 DC5V LPG Alcohol Methane Hydrogen Smoke Gas Detector Sensor Module For Arduino FZ0893

Description:100% Brand NewDual-way Signal Output, Analog output and TTL level outputHigh sensitivity..

$2.88 Ex Tax: $2.88

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