... high led bay lamp light :120W LED high bay light,Ultra bright,Plant,gym,warehouse,shopping mallThis type of lights is ... up without flickering (<100ns)3. Luminous efficacy> 73lm/W4. Long lifetime>50,000hrs,5. No RF, No IR/UV radiation, no ... :creematerials:aluminum lamp shade, aluminum heat sink, PC lens diffuser Lifetime:>50000hrsAmbient conditions:‘-20°C~50°C’10%~85%RHWarranty:3 ...