LiveLink corridor sensor DUAL US with ultrasonic technology with double directional characteristics and DALI interface for connection to a LiveLink control unit for daylight-dependent control and presence detection. With integrated light sensor for daylight-dependent control and 2 integrated ultrasonic presence sensors. Constant light control with switch-off function when there is sufficient daylight. Presence detection independent of temperature, range of up to 10 meters in two directions on one axis. Electrical supply via the DALI interface of the control unit. Selectable switch-off delay time, optionally in automatic mode (automatic on, automatic off) or semi-automatic mode (automatic off, manual on). Special IQ mode for automatically adjusting the run-on time to the use of the room. Continuous range adjustment. Temperature range: -10 - +40 °C. Presence sensor ideally suited for detecting movement in long corridors, hallways or corridors, encloses objects but does not penetrate them. Detection angle: 360° with 180° opening angle. Detection range: max. 10 mx 3 m in each direction, continuously electronically adjustable with a recommended installation height of 2.5 m to 3.5 m ceiling height. Frequency range: 40 kHz. Protection class IP20. Sensor suitable for recessed ceiling installation in conjunction with standard cavity wall boxes, with separate accessories also suitable for surface-mounted ceiling installation. Electrical supply via the DALI interface of the control unit. Number of occupied DALI participants: 12. No additional mains connection required. Commissioning in conjunction with the LiveLink control unit via the LiveLink app with the help of a graphical user interface. Adjustable parameters: setpoint for constant light control, switch-off delay time, semi-/fully automatic, activation of IQ mode, range setting and range test. DALI 2 certified product.