Add door contacts to exit doors on rear and side of your home. This will trigger the alarm if someone tries to break in through these doors.

How It Works

The device consists of two small components: a transmitter (the larger piece) and a magnet (the smaller piece).

• The Setup: The transmitter is mounted to the door frame, and the magnet is mounted to the door itself.

• The Connection: When the door is closed, the two pieces sit side-by-side, creating a closed magnetic circuit.

• The Trigger: As soon as the door opens, the magnetic field is broken. The transmitter instantly sends encrypted 868Mhz Radio Frequency signals to the main control panel to trigger the alarm.