Features:1,Website:http://www.estledlight.com, Cree/Samsung2, Meanwell 3, Patented 3-D heat4, Corrosion resistance5, Anti-typhoon level 126, IP657,Suit F type pole and 180° Adjustable AngleProduct DiscriptionModel NO:EST-STLA-300WWattage (w)300WInput Voltage Range (V)100-277VPower Fact (pf)>0.95OP. Frequency (Hz./kHz)50Hz 60HzTotal Harmonic Distortion<15%Luminous Efficiency (LM/W)>100LM/WColor Rendering Index (CRI)>75Beam Angel90°DriverMean WellPower Efficiency>88%Color Temperature3000-6500KLife Span50000 hoursIP RatingIP65MaterialAluminum AlloySize 874*304*128mmWorking temperature-20℃-40℃;