Mini Door/Window alarm systems security home Wireless Anti Burglar Alarm Entry Alarm against Door/ Window Break in 100pc

Mini Door/Window alarm systems security home Wireless Anti Burglar Alarm Entry Alarm against Door/ Window Break in

Features:

Easily mounted by adhesive tape to window or door. Magnetic sensor switch detects entry protecting your home or office whether your are in or out.

Warning door / window sticker is supplied free in package.

Operated by 3 pcs. 1.5V LR44 button cell (battery not included in package)

Operation:

Use the double side adhesive tape to fix the main unit at the side of the door / window.

Attach the bar magnet to door frame / window frame with the arrow aligning with the reference line of the main unit.

Test the setup by switching the system to "ON" position of the main unit and see whether the alarm can be triggered by opening the door / window.