3sets White Iron Door Recessed Wired Security Window Door Contact Sensor Alar...
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RC-36 NC+NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic...
$29.92
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About this item
Designed for use with alarm systems. Great for use in family and factory window, door. NOTE: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!
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