10 Pack Window Alarm Door Magnetic Sensor Alarm for Home Security System, Poo...
$22.64
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10pcs Wired Magnetic Door Window Sensor - Reliable Alarm System Protection fo...
$23.39
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About this item
And the switch and magnet are separated, and the switch is open. [EFFECTIVE DETECTION] Detects when or doors are opened by sensing the separation of the switch and magnet. [WIDE APPLICATION] Suitable for various alarm systems, with a load current capacity of 300 mA and a switching pressure of 100VDC.
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