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10pcs Wired Door Window Magnetic Reed Switch for Home Security Alarm System Whit SALE

10pcs Wired Door Window Magnetic Reed Switch for Home Security Alarm System Whit

$22.86$24.58
  • Condition: New
  • Ships from: New York, US
  • Seller: laustif-0 (100% positive)
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About this item

The circuit is conductive (light on) when the sensor is separated from the magnet, and not conductive (light off) when the switch is close to the magnet, indicating a closed entry. Not suitable for installation on iron doors, as it may reduce the sensor's magnetic effectiveness.

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