1 channel presence detector for ceiling installation for brightness and motion-dependent switching. It features an integrated bus coupling unit for connection to the KNX bus. Basic settings can be adjusted directly on the installed device without disassembly or optionally via remote control. Brightness range is 5 - 1000 lux. The switch-off delay is freely selectable between 5 seconds and 8 hours. Detection range is approximately 7 meters at a mounting height of 2.5 meters. Functions include ON/OFF, dimming value, dimming value in presence and absence, time functions, scene, and scene in presence and absence. It also has a master/slave function for using multiple presence detectors in the room. The device is programmable via KNX ETS or KNX easy.