Wireless Home Security Alarm System Alarm Magnetic Sensor Door Opening/Closing/Window Alarm Security Alarm 90dB

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

Warning doorrwindow sticker is supplied free in package.Operated by 3 pcs 1.5VLR44 button cell( batteriesincluded inpackage).

1.Use the double-side adhesive tape to fix the main unitat the side of the door/window.Attach the bar magnetto door frame/window frame with the arrow aligning withthe refernce line of the main unit.

2.Test the setup by switching the system's switch to "ON"position of the main unit and see whether the alarm canbe triggered by opening the doorlwindow.

 1 x Drillpro Wireless Home Security Alarm