5-piece Door Knob That Connects The Battery

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Description:

Just hang the alarm handle/knob, when there is someone opens the door or touches the door handle from either side, the alarm will generate loud alarm sound to inform there is a intruder.

Work as an anti- alarm, alarm up to 120dB.

Easy to use and installation, no wiring needed (requires DC 6F22 9V batteries, not included); just simply hang the alarm on the inside of your door handle.

Perfect travel alarm and great for home, hotel, dorm, etc.

The sensitivity may be affected by the composition of the door handle.

Specification:

Material:
Size: Approx. 10x5.5x2.5cm/3.94x2.17x0.98 inches

Power: DC 6F22 9V

Package Includes:

5 Pieces Door Handle Alarms

Note:

Since the size above is measured by hand, the size of the actual item could be slightly different from the size above.
Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item.

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