... light, COB Down light High brightness,aluminum,COB technology,use Japan IC for power source,long lifespan LED ceiling light ... Input Voltage : AC100V-240V 6.Certificates:CE&RoHsLED ceiling light advantage:1.Long life time 30000h2.Constant current ... Easy installation4.Energy-saving, Green and Environmental protectionLED ceiling light application:Office,supermarket,shopping mall,school,hotel, ...