This Wireless Alarm should be parallel on the door/window after installation and the gap should not exceed 8mm when door/window is closed
The Magnetic Window Door Alarm protecting your shop,office,home or any entrance inside a house requiring protection
This Window Door Alarm convenient and easy to use, affix the main unit of entry alarm at the side of the door/window and the magnet bar should be mounted on door/window frame both housing
This Security Alarm operated by 3 x 1.5V LR44 button cell
