... 50W IP20 COB Led High Bay Light Led high bay light specifications:1, Material: Aluminum+steel2, Power:50W3.Luminous flux:4500lm4, Guaranteed:2yeas5, With non-dimmable led drivers Model NoBS ... maintanance LED high bay light application: Workshop, warehouse,mine, road station, gas station,super market,stadium,conference hall,exhibition hall, airport channel etc. Factory and ...