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KEYESTUDIO MQ-4 Gas Sensor for Arduino - Black
MQ-4 application: it can be used in household and industrial-level gas leakage detection device to detect natural gas and methane. It is featured with wide detection range£¬ high sensitivity£¬ fast response and recovery time£¬ with excellent stability£¬ long service life and simple drive circuit. Applicable gas: natural gas£¬ methane.