Features:1,Website:http://www.estledlight.com, 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