2pcs Door Knob/Door Handle Burglar Alarm for Dorm

Description:

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

Work as theft alarm, alarm up to 120dB.

use and installation, no wiring needed (requires DC 6F22 9V batteries, not included); just simply the 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 handle.

Specification:

Material: Plastic
Size: Approx. 10×5.5×2.5cm/3.94×2.17×0.98 inches

Power: DC 6F22 9V

Package Includes:

2 Pieces Door Handle Alarms

Note:

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

• Just the door handle/knob, when there is someone opens or touches handle from either side, the alarm will generate loud alarm sound to inform there is a intruder.
• Work as theft alarm, alarm up to 120dB.
• use and installation, no wiring needed (requires DC 6F22 9V batteries, not included); just simply the 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 handle.