Detection range (at mounting heights of 2.5 m, 3 m, and 4 m): circular. Sitting persons Ø: max. 8 m, max. 10 m, and max. 14 m. Walking persons Ø: max. 10 m, max. 12 m, and max. 16 m. Installation height 23 mm. With 2 channels. For targeted switching on and off of light strips depending on room brightness. Regulation also possible based on movement. Use of the device as a presence and/or motion detector. Detector application with a 2-stage switch-off function. Detector application with integrated monitoring function. Constant light switch with up to 2 independent channels. Constant light switch with max. 2 outputs for brightness-dependent switching of two light strips in the room. With integrated KNX bus coupler. Suitable for suspended ceilings with a panel thickness of 9 to 25 mm. Cut-out size: Ø 68 mm. Suitable for surface mounting in combination with a surface-mounted housing. Not compatible with British Standard and VDE flush-mounted boxes.