DALI-2 certified presence, motion and daylight sensors for installation in luminaires and ceilings. They are powered from the DALI bus, so no mains connection is needed; several can share one DALI line; and they work with any lighting or building management system that supports DALI-2 sensors. Light sensing covers 5 to 2,000 lux, and typical rooms are classrooms, conference rooms, entrance halls and production halls.