Detection area (at 2.5 m, 3 m and 4 m installation height): circular. Seated people Ø: max. 8 m, max. 10 m and max. 14 m. Walking people 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 the brightness of the room. Control also possible depending on movement. Use of the device as a presence and/or motion detector. Detector application with 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. Installation hole size: Ø 68 mm. Suitable for surface mounting in combination with an AP housing. Does not fit into the British Standard and VDE flush-mounted box. Recommendation: HaloX® 100 from Kaiser (item no. 1281-00) with appropriate cover (1281-01 or 1281-61 for exposed concrete) or IBTronic H120-68 from Spelsberg (item no. 97600501).