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Smart Door Sensor Alarm Wireless, WiFi Door Window Detector with 2 Batteries,...

Smart Door Sensor Alarm Wireless, WiFi Door Window Detector with 2 Batteries,...

$20.39
  • Condition: New
  • Ships from: JP
  • Seller: mikihol0 (99.5% positive)
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About this item

You do not need to prepare battery for the door sensor in advance. The alarm sensor can be installed not only on the door or window, but also on garage doors, wine cabinets, letter boxes, safety deposit box, pet doors, etc.

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