Morstar's UFO High Bay Light 03 series (MA-HHB901A-100W) is widely used in the warehouses, gymnasiums and production assembly areas. It is high efficacy product that up to 145LM/W. This production are including 4 kinds of mounting option, Surge protection: 4KV, Stronger housing with good heat dissipation, Lower UGR(<28) and Plug-in microwave motion sensor. Besides, UFO High Bay Light offer 100-277VAC / 120-347VAC available.