Detection range (for mounting height 2.5 m, 3 m and 4 m): circular. Ø: max. 10 m, max. 12 m and max. 10 m. 5,8 GHz HF technology. With 2 channels and integrated brightness, temperature and humidity sensor. Detectors application with 2 power off stages. Detectors application with integrated monitoring function. Constant light switch with up to two independent channels. Constant light switch with max. 2 outputs for brightness-dependent switching of two light bands in the area. With integrated KNX bus coupler. Suitable for false ceilings (Hole size: Ø 68 mm).