Materials Features a high purity aluminum reflector, housing and heat sink; high strength tempered glass cover; high power LEDs; high efficiency imported LED driver.Application City streets, pavements, squares, schools, parks, yards, residential areas, factories and any other places where lighting is needs.Technical Specification Power (W) : 10-20Frequency(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):4