4 Sets NC Wired Door Alarm Magnetic Contact Sensor with Double Side Tape
$19.34
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Magnetic Door Switch NC Wired Door Alarm Magnetic Contact Sensor with Double ...
$15.30
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About this item
It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp! Anti-fire ABS shield Connecting mode: NC. Mounting Type: Reed Switch Surface Mount.
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