Features:1,Website: , Phase change heat sink2, Meanwell HLG driver3, Philips 3030/ Bridgelux 45mil4, 5 years warranty5, High lumen>90lm/w6, Reflector: 45°/60°/90°/120°7,? CE RoHS Approved8, Healty ray, no UV or IR radiation9, Friendly environment and energy savingProduct DiscriptionModel ? ?NO:EST-GK-60WWattage ? ?(w)60WInput ? ?Voltage Range (V)100-277VPower ? ?Fact (pf)>0.9OP. ? ?Frequency (Hz./kHz)50Hz 60HzLuminous ? ?Efficiency (LM/W)>90LM/WLuminous ? ?flux5400lmColor ? ?Rendering Index (CRI)>80DriverMean WellMaterialAL+PCColor ? ?Temperature2700-7500KLife ? ?Span50000 hoursHeat ? ?Sink ColorBlack or SilverLight ? ?source?SMD/COB ledWorking ? ?temperature-20℃-40℃;G.W6kg?Application:WorkshopFactory BuildingsWarehouseConstruction BuildingExhibition hallSupermarketGymnasiumsGas stationHighway Toll stationOther places needing a high ? ?bay lighting