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-500WWattage (w)500WInput Voltage Range (V)100-277VTotal Hamornic distortion<15%Power Fact (pf)>0.95OP. Frequency (Hz./kHz)50Hz 60HzLuminous Efficiency (LM/W)>100LM/WLuminous flux45000lmColor Rendering Index (CRI)>75DriverMean WellPower Efficiency>88%Color Temperature2700-7500KReflector degree option5°/10°/20°/30°/60°Life Span50000 hoursIP RatingIP65Working temperature-20℃-40℃;Warranty5 YearsG.W15kgApplicationProjection 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.