The DALI-2 Multi Sensor HF for ceiling mounting is a DALI-2 and D4i-certified device that combines a motion sensor and a light sensor. The device performs motion detection and measures illuminance. The D4i-certified DALI-2 Multi Sensor HF can be operated with D4i LED drivers or luminaires; the luminaires simply need to be connected to the mains supply. The result is increased comfort for occupants and significant energy savings that meet the most demanding energy regulations for buildings. The sensor is suitable for high-bay applications that require a large detection area and sensor-based automation. The DALI-2 Multi Sensor HF can be powered via the DALI bus and does not require an additional power supply, which means simpler and faster wiring and installation. y Microwave motion detection y Two antennas, large detection area y Motion sensor instance type 3 (303) y Illuminance measurement y Light sensor instance type 4 (304) y DALI-2 & D4i certified y Recessed ceiling installation y Cost-effective solution for energy savings y Compatible with universal DALI-2 compliant central control unit that supports sensor input devices