The Wattstopper DT-300 is a dual technology center-mount ceiling occupancy sensor designed for open-plan offices, corridors, and commercial spaces requiring full-room coverage from a single fixture point. Combining passive infrared and ultrasonic technologies, it provides 360 detection at 24VDC to eliminate dead zones and reduce false-off events in occupied spaces. Designed for integration with Wattstopper digital lighting management systems and compatible low-voltage power packs.