LiveLink room sensor with ultrasonic technology 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 integrated ultrasonic presence sensor. Constant light control with switch-off function when there is sufficient daylight. Presence detection independent of temperature, range up to 10 meters. 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. Temperature range -10 to +40 °C. Presence sensor ideally suited for detecting movements indoors, detects without obstacles, encloses objects but does not penetrate. Detection angle: 360° with 180° opening angle. Detection range: max. Ø10m, continuously electronically adjustable at 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.