Detection range (at mounting heights of 2.5 m, 3 m, and 4 m): circular. Sitting persons Ø: max. 5 m, max. 6.5 m, and max. 9 m. Walking persons Ø: max. 6.5 m, max. 8 m, and max. 10.5 m. Installation height 16 mm. With 2 channels. For targeted switching on and off of light strips depending on room brightness. Regulation also possible depending 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 a maximum of 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. Recommendation: HaloX-O UP box from Kaiser with corresponding cover or IBTronic H120-68 from Spelsberg.