Materials High purity aluminum reflector and heat body; single high powerful LED light source; high efficiency imported LED driver.Application Entrances, show centers, stores and other general lighting or partial lighting; markets, banks, hospitals, restaurants, hotels and other public lighting.Technical Specification Power (W) :10-40Frequency(V):50HZ-60HZOperating Voltage(V):AC85-265,DCD12V/24LED Lighting Efficiency(Lm/W):80-110Power Supply Efficiency(%):>90%Power Factor:>0.98Color Rendering Index(Ra):>80Color Temperature(K):2700-7000Ambient Temperature(¡C):-40-55Life Span(hrs):50000IP Rating(IP):IP20Weight(Kg):2.5