Window Door Home Entry 105db Alarm Magnetic Sensor Security Siren Anti Burglar

Alarm’s Level: 105dB. Easily mounted by adhesive tape to window or door. 3 x Entry Alarm Sensor. Use the doubleside adhesive tape to fix the main unit at the side of the doorwindow. Test the setup by swiching the system’s switch to ‘ON’ position of the main unit and see whether the alarm can be triggered by opening the door/window.