Integration door sensors use a magnetic contact to detect when a door opens or closes, then send an open, closed, or fault signal to a compatible security system or control panel. Most communicate wirelessly through a panel-supported protocol or frequency, while some support encrypted signals, two-way status checks, or an external contact input for additional detection devices.

When choosing wired or wireless integration door sensors, consider the available wiring, installation conditions, control-panel compatibility, mounting space, and whether the project needs features such as external contact inputs or recessed installation. Wired sensors can suit installations with accessible cabling and dedicated zones, while wireless sensors can help reduce cabling and support retrofit work, but installers should verify signal range, encryption, battery maintenance, and the system’s supported wireless technology.

Use recessed integration door sensors when a concealed appearance matters and the door or jamb can accommodate the required drilled opening, while surface-mounted sensors suit standard installations where accessible mounting and simpler placement are priorities. Choose slim-profile sensors for narrow frames, limited clearance, or other applications where a low-profile device helps maintain the door or window’s appearance.

Integration door sensors may support external contacts for additional wired devices, automation rules that trigger lights or thermostat changes, and alerts through a compatible security or smart home platform. Multiple sensors can monitor doors, windows, and other entry points, with system-dependent notifications for openings, tampering, or doors left open.