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433MHz Wireless Door Window Sensor Magnetic Smart Home Security Alarm System

433MHz Wireless Door Window Sensor Magnetic Smart Home Security Alarm System

$13.56
  • Condition: New
  • Ships from: CN
  • Seller: easybuyou (99.8% positive)
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About this item

This item is a door and window alarm sensor. The door alarms can work with RF 433MHz Host to detect the door's opening status. 100m wireless transmit distance. Trigger alarm distance: ≤20mm. Installation by double-side adhesive, easier and convenient to install.

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