Light and presence sensors for light management systems. : Touch DIM® light and presence sensor. Can also be operated purely as a presence sensor. Maximum signal line length: 10 m. Maximum power input: 0.5 W. Delay time: 15 min. : A setpoint for daylight-dependent control can be stored by double clicking. Operated via standard switches. : Single luminaires in office areas. : Suitable for up to 4 QTi DALI ECG or 4 HTi DALI transformers or 4 OTi DALI LED ECG.