Door/Window Contact Opening Detector, Bosch Smart Home Smart Home, model 8750002952, white

Bosch Smart Home Door/Window Contact II opening detector is a compact wireless sensor for monitoring the open or closed state of doors and windows. Designed for integration with Bosch Smart Home systems, the white contact reports status changes to the central hub and can be used for security monitoring, automation rules and scene control. The sensor’s discreet form factor and magnetic contact make it suitable for mounting on frames and sashes without affecting the appearance of the installation.

Advantages

The device provides reliable open/close detection with low power consumption and wireless communication compatible with Bosch Smart Home hubs. Its small two-piece construction enables clean installation on most door and window frames, while the white finish blends with common interior styles. By reporting status changes quickly to the smart home system, it supports automated actions such as alarm triggering, notifications to occupants, and activation of linked devices.

Suitable for

• Monitoring entry doors and interior room doors
• Securing windows and balcony doors
• Triggering alarms or notifications when openings are used
• Integrating with scenes and automation for lighting or heating control

Key specifications

• Sensor type: magnetic reed contact for open/closed detection
• Compatibility: designed for Bosch Smart Home system integration
• Color: white housing
• Form factor: compact two-piece design for frame and sash mounting
• Power: battery-powered with low power consumption for extended battery life
• Communication: wireless reporting to Bosch Smart Home hub

How to use

Mount the larger sensor body on the frame and the magnet on the moving sash so that both parts align when the door or window is closed. Pair the sensor to the Bosch Smart Home hub following the system’s pairing procedure in the app, then assign the sensor to a room and configure desired automations or alarm zones. After installation, test opening and closing to confirm the hub receives state changes and that any linked automations operate as expected.

Recommendations

Install the contact on clean, dry surfaces and avoid large gaps between sensor and magnet to ensure reliable detection. Place the device in locations protected from direct water exposure and extreme temperatures. Replace batteries according to system notifications and periodically check alignment and physical condition to maintain consistent performance.