Monitors the entire corridor and sees around corners. The lighting in long hallways, corridors, and passages is switched with the highest precision, as all objects can be clearly detected. For the Dual US KNX, this is no problem thanks to ultrasonic technology. Installed at a height of 2.5 to 3.5 meters, the presence detector perceives even the smallest movements—regardless of their direction—within a detection angle of 3x20 m. The sensor reliably ignores individuals in adjacent rooms. This makes it the perfect corridor sensor for office and administrative buildings.