Dear Customers, thanks for visiting for LED UFO HIGH BAY LIGHT, Tianci lighting is professional led lighting for 8 years. and for UFO high bay, we have many model for your choose.UFO High Bay Light Type-D, UFO High Bay Light Type-E, UFO High Bay Light Type-K, High Bay Light Type-H, High Bay Light Type-F. High lever middle lever available, but we do not produce rubbish product. We have IES file, dalux file can help you to calculate the lighting, how many pcs need for your project? how many watt perfect for you which can help you save the cost. Send us enquiry, and we will send you the good solution.