Description
The magnetic contact sensors are built to alarm any strange intruding activity from doors, windows and other entry points. The device is wireless connected to the main panel and send a signal as soon as the magnet and sensor get separated. For best results, it is recommended not to mount the sensor directly on a metal surface and keep a recommended gap of a 1/4 inch apart when the doors/window/entryway is closed. Besides this, your device comes with a starter battery.


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