Smart Daylight Control for Your UFO Highbay LED Fixtures Maximize energy savings and automate your industrial or commercial lighting with the Speclite 3-Pin Photocell Sensor (SKU: ZZHU90PCSS), designed specifically as a plug-and-play accessory for the Speclite HU90 and CP Series UFO Highbay LED fixtures. This photocell sensor detects ambient daylight levels and automatically switches your highbay luminaires ON at dusk and OFF at dawn — eliminating the need for manual switching or complex timer programming. The result is a smarter, more efficient lighting system that reduces energy waste and extends the lifespan of your fixtures. Plug-In Simplicity, Professional Results Thanks to its standard 3-pin NEMA-style connector interface, this photocell installs in seconds directly into the compatible socket on your HU90 or CP Series highbay. No rewiring, no electrician required for the connection itself — just plug in and your fixture becomes daylight-responsive instantly. Ideal for warehouses, manufacturing facilities, parking garages, gymnasiums, and any large commercial space where lighting automation translates directly into lower hydro bills and reduced maintenance costs. At just , this small accessory delivers outstanding return on investment by automating your entire lighting schedule effortlessly.