When the door sensor is triggered , the sensor will be alarming .
And you can install it on the window to prevent error opening by kids.
If you buy more than 3 pcs,The wholesale price is 5% off
- Picture ruler in centimeters
- Orders> $ 7, There are tracking information. Orders <$ 7, No tracking information
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Alarm size: 85 * 40 * 15mm /3.3 * 1.6 * 0.6in
Alarm volume: 105 dB