... IC Driver COB Down lightLED recessed down light, COB Down light High brightness,aluminum,COB technology,use Japan ... : AC100V-240V 6.Certificates:CE&RoHsLED ceiling light advantage:1.Long life time 30000h2.Constant current ... .Energy-saving, Green and Environmental protectionLED ceiling light application:Office,supermarket,shopping mall,school,hotel,hospital ... Us.Voice of Lighting, Lighting up the world.