The wall/ceiling mount set is an accessory for motion detectors. It ensures safe installation. Installed at a height of 2.5 m, the motion detectors cover an area of up to 15 m x 15 m. The wall and ceiling mounting set gives you installation flexibility. Whether fitted to wall, ceiling, or in a corner: This set can be fitted easily anywhere. The maximum angle setting is ±45° horizontally and +6°-17.5° vertically. The wall/ceiling mounting set is suitable for the following motion detectors: motion detector ECO, motion detector PROFI VdS, motion detector DUPLEX VdS, motion detector DUPLEX MW VdS, and motion detector TRIPLEX MW VdS.