Features:1,Website:http://www.estledlight.com, Fin -type heat sink2, Cree Chip3, Meanwell Driver4, 5years warranty5, High lumen 100lm/w6, CE RoHS ApprovedProduct DiscriptionModel NO:EST-TSL-150WWattage (w)150WInput Voltage Range (V)100-277VTotal Hamornic distortion<15%Power Fact (pf)>0.95OP. Frequency (Hz./kHz)50Hz 60HzLuminous Efficiency (LM/W)>100LM/WLuminous flux15000lmColor Rendering Index (CRI)>75DriverMean WellPower Efficiency>88%LED QTY84pcsColor Temperature2700-7500KReflector degree option5°/10°/20°/30°/60°Life Span50000 hoursIP RatingIP65Packaging52.5*52.5*37cmWorking temperature-20℃-40℃;Warranty5 YearsApplicationProjection light, also called tower lamp, special designed for unique application such as skyscrapers,largescale shopping malls, bridges, wharfs, TV towers, Status, Stage and so on, many small reflector inside tokeep the long distance lighting for outdoor.