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    MQ-2 Smoke Sensor Module Smoking Detector Alarm Relay Switch Controller 12V 24V

    • Item No : 256133583444
    • Condition : New
    • Brand : Unbranded
    • Seller : alimodule
    • Current Bid : US $8.00

    • * Item Description

    • This module can detect smoke concentration, and a smoke detection threshold can be set when using it. 1 Smoke sensor. 6: Board size 49 45+20mm. 5: Simple to use, with wiring diagram.
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