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20 Sets Wired Magnetic Door Window Alarm Contact Sensors with Tape for Security

20 Sets Wired Magnetic Door Window Alarm Contact Sensors with Tape for Security

$48.99
  • Condition: New
  • Ships from: Auburn, US
  • Seller: aly_179321 (100% positive)
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About this item

When the magnet is close to the switch, the signal is conductive; when it moves away, the signal disconnects. This functionality is perfect for alarms, LED indicators, door openers, and more. Their sturdy design ensures a longer service life and excellent resistance to wear and tear.

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