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  1. DC12V Low Temperature Trigger Thermosensitive Sensor Delay Alarm Module

    DC12V Low Temperature Trigger Thermosensitiv<wbr/>e Sensor Delay Alarm Module

    $9.74

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  2. DC12V 1 Channel Red and Green LED Light Soil Moisture Sensor + Relay Module

    DC12V 1 Channel Red and Green LED Light Soil Moisture Sensor + Relay Module

    $10.99

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  3. DC12V 0-20S Photosensitive Diode Light Trigger Optical Alarm Delay PCB Module

    DC12V 0-20S Photosensitive Diode Light Trigger Optical Alarm Delay PCB Module

    $10.52

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  4. Photoresistor Light Detection Sensor Delay Module DC12V for Car Vehicle

    Photoresistor Light Detection Sensor Delay Module DC12V for Car Vehicle

    $17.02

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  5. FC-66 TCRT5000 DC12V 0-20S 0-3cm Infrared Reflection Delay Alarm Module

    FC-66 TCRT5000 DC12V 0-20S 0-3cm Infrared Reflection Delay Alarm Module

    $11.74

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  6. DC12V Photosensitive Diode Light Sensor Delay Alarm PCB Module

    DC12V Photosensitive Diode Light Sensor Delay Alarm PCB Module

    $11.73

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  7. Smoke Sensor Module w Relay Output DC9V Green Black

    Smoke Sensor Module w Relay Output DC9V Green Black

    $18.59

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  8. DC12V Earth Humidity Sensor Controlling Alarm Buzzer Module

    DC12V Earth Humidity Sensor Controlling Alarm Buzzer Module

    $9.50

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  9. KY004 Momentary Button Module 3 Pin DC12V 50mA

    KY004 Momentary Button Module 3 Pin DC12V 50mA

    $4.88

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  10. FC-66 DC 12V Humidity Sensitivity Time Delay Alarm Buzzer PCB Circuit Module

    FC-66 DC 12V Humidity Sensitivity Time Delay Alarm Buzzer PCB Circuit Module

    $11.94

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