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High Sensitivity PIR Doorbell Indoor Outdoor Villa Welcome Anti-Theft Alarm Bell

High Sensitivity PIR Doorbell Indoor Outdoor Villa Welcome Anti-Theft Alarm Bell

$4.99
  • Condition: New
  • Ships from: US
  • Seller: best_alarm (98.7% positive)
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About this item

It is used directly after receiving, put in battery and adjust angle to avoid false alarm, not suitable for outdoor because of lack of waterproof function. ALARM: Play alarming. 5,Battery installation schematic diagram:Pull the switch battery cover,open the battery cover Installed correctly,Press the key of battery switch ,finish the installation.

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