Surefine UFO LED high bay lights are used to replace current HPS or CFL low efficiency high bay lights, installation height between 6m and 15m, which will save about your 70% energy, and offer tripple life. LED high bay lights are popular lighting for warehouse, factory lighting, supper market, high hall, etc. area. Thanks for their light efficiency, 100W lamp installed at 6m height, can offer more than 300lx by equally. Target project, just send us your requirement about installation height, average lux requirement, lamp distance between each others, we will help you to choose the right power within 24hours.