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Recessed Wired Security Window Door Contact Sensor, Normally Open NO, Door Al... SALE

Recessed Wired Security Window Door Contact Sensor, Normally Open NO, Door Al...

$14.02$15.58
  • Condition: New
  • Ships from: York, US
  • Seller: thedailysparks (99.2% positive)
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About this item

【Normally open (NO)】Normally Open type with 2 wires, When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).

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