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20 Sets Wired Magnetic Door Window Alarm Contact Sensors with Double-Sided Tape

20 Sets Wired Magnetic Door Window Alarm Contact Sensors with Double-Sided Tape

$48.99
  • Condition: New
  • Ships from: Essex Junction, US
  • Seller: ben_9491 (100% positive)
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About this item

Conversely, when the magnet is distant from the switch, the signal is disconnected. This operational principle is perfect for alarms, LED lights, door openers, and more. Their robust construction ensures a longer service life, providing you with peace of mind.

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