Wattstopper WT-1100 Ultrasonic Ceiling Occupancy Sensor 24 VDC, 1100 sq ft

Wattstopper WT-2250 Ultrasonic Ceiling Occupancy Sensor 24 VDC, 90 Linear ft

Wattstopper WT-600 Ultrasonic Ceiling Occupancy Sensor 24 VDC, 600 sq ft

Wattstopper WT-2200 Ultrasonic Ceiling Occupancy Sensor 24 VDC, 2200 sq ft