Characteristics 1.Long working lifetime(>50000hrs) 2.Low brightness decline(<15% within 50000hrs) 3.High light efficiency(>110lm/w) 4.High energy-saving rate(60%-80%) 5.High burnishing efficiency 6.No dazzling light,no light pollution 7.High illlumination uniformity(>0.7) 8.High heat dissipation Guarantee Time: 3 years Core Patent High conduction Cu-Mg-Al alloy shell Patent light distribution lens Rare earth heat dissipation material Certification CE,FCC,RoHS Material High conduction Cu-Mg-Al alloy shell;Optic glass lens with deep penetration of lighting and high refraction; Integrated high-power LED light source module with high-efficiency but low thermal resistance;Constant-current drive power supply with high-efficiency and long working lifetime. Places suitable City road,pavement,square,school,park,courtyard,residential district,factory and other places needing street lighting.