The cleverer hallway sensor knows more. Hallway identifies the direction of movement and know whether someone is approaching or leaving. It can also tell whether person present are on the right or left. Perfect radial detection up to 25 m – ideal for long corridors and hallways. Reach can be adjusted in both directions. Contemporary True Presence® design. Featuring Bluetooth technology. Interfaces for COM 1, COM 2, DALI and KNX.