Materials Features a high purity aluminum reflector, housing and heat sink; high strength tempered glass cover; high power LEDs; high efficiency imported LED driver.ApplicationCity streets, pavements, squares, schools, parks, yards, residential areas, factories and any other places where lighting is needs.Technical Specification Power (W): 10-40Frequency(V): 50Hz-60HzOperating Voltage(V): AC85-265,DC12V/24VLED Lighting Efficiency(Lm/W):80-110Power Supply Efficiency(%):>90%Power Factor:>0.98Color Rendering Index(Ra): >70Color Temperature(K):2700-7000Ambient Temperature(¡C):-40-55Life Span(hrs):50000IP Rating(IP):IP65Weight(Kg):6.5