Detailed Product Description Power:20WWork voltage:AC(85V-265V)/(50-60Hz) Power fator(PF):>0.9LED efficiency:80LM/WLumens: 1600Fixture efficiency:>90% View angle:50degreeRa>80Color temperature(CCT):2700~7000KLED life:>50000HrsNet weight:3.3kgsLuminance decrease:keep lighting 1000hours decrease %1size 225*185*126*118Used in :Building, streets, high ways, highbridges, huge crossedbridges, squares, ...