Also detects reliably through partition walls. High-frequency technology meets high-end design! The HF 180 sensor switch, with a detection angle of 180°, impresses not only technically and functionally but also meets the highest aesthetic standards. The HF sensor technology detects every movement and switches on instantly. It is the solution for offices, hallways, and restroom facilities where detection through thin partition walls is desired. Intelligent technology that not only looks good but is also easy to install. The KNX version additionally provides the output of temperature and humidity measurements.