PrimeLights 4 Bulb / Lamp T8 LED High Bay Utility Shop Garage Warehouse Light Fixture 11,400 Lumens, 120-277V 88 Watt LED Commercial Fixture - Steel Housing Mirrored Reflector 21,000 Equivalent Lumens (Brighter than Fluorescent T5HO) 5000K Daylight White Color Temp. (-) 4 Degree Start Temp, 120-277V, 4 LED T8 Tubes (4 Bulbs Included) 50,000+ Hours, 40% Less Energy than Fluorescent, Removable Lamps. Fixture Made in USA. UL Listed, DLC Approved. PROUDLY MADE IN USA & SOLD ONLY BY PRIMELIGHTS.