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Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch

Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch

$14.18
  • Condition: New
  • Ships from: Brooklyn, US
  • Seller: essentialstreasure (99.6% positive)
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About this item

For example: Install on the door, close door light on. open door light off. When make order, pals check carefully! The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems.

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