Wattstopper’s UT-300 Ultrasonic Ceiling Sensors automatically turn lighting on and off based on occupancy. The sensors mount on the ceiling with a flat, unobtrusive appearance and provides 360° coverage.FEATURES AND BENEFITS:- Product Environmental Profile- Architecturally appealing low-profile appearance- Auto set automatically selects optimal time delay and sensitivity- Ultrasonic diffusers give more comprehensive coverage- Accepts low-voltage switch input for manual-on operation- Plug terminal wiring for quick and easy installation- Walk-through mode increases savings potential- Automatic or manual-on operation when used with a BZ-150 Power Pack