Your search for "Watt Stopper UT-300-3 Ultrasonic Ceiling Sensor 24 VDC 45mA 2000 Sq Ft Isolated Relay" revealed the following:

Wattstopper WT-2200 Ultrasonic Ceiling Occupancy Sensor24 VDC, 2200 sq ft

Wattstopper UT-305-2 Ultrasonic Ceiling Occupancy Sensor24 VDC 1000 sqft

Wattstopper UT-305-3 Ultrasonic Ceiling Occupancy Sensor24 VDC 2000 sqft

Wattstopper UT-300 Ultrasonic Ceiling Occupancy Sensor 24 VDC

Wattstopper WT-2250 Ultrasonic Ceiling Occupancy Sensor24 VDC, 90 linear ft

Wattstopper WT-1100 Ultrasonic Ceiling Occupancy Sensor24 VDC

Wattstopper WT-600 Ultrasonic Ceiling Occupancy Sensor24 VDC, 600 sq ft

Wattstopper UT-305-1 Ultrasonic Ceiling Occupancy Sensor24 VDC 500 sqft

Wattstopper UT-355 Ultrasonic Ceiling Occupancy Sensor100-347 VAC

Wattstopper W-500A Ultrasonic Ceiling Occupancy Sensor 24 VDC, 500 sq ft

Wattstopper W-2000H Ultrasonic Ceiling Occupancy Sensor 24 VDC

Wattstopper W-2000A Ultrasonic Ceiling Occupancy Sensor 24 VDC

Wattstopper DT-305 Dual Tech Occupancy Sensor24 VDC, center mount 360°, 40 Khz

Wattstopper DT-200 Dual Tech Occupancy Sensor24 VDC, corner mount, , 40 Khz

Wattstopper DT-300 Dual Tech Occupancy Sensor 24 VDC, center mount 360°

Wattstopper CI-24-U PIR Ceiling Occupancy Sensor 24 VDC/AC, isolated relay, US

Elco - 4″ Max. Adjustability New Construction IC Airtight Housing

Elco - 3″ MAX. Adjustability IC Airtight New Construction Housing

Elco - 4″ Koto Architectural Maximum Adjustability High Lumen IC Airtight Housing

Elco - 4″ Cedar System New Construction IC Airtight Housing w/Driver