... Description:Taiwan chip Japan IC Driver patent COB flat LED ceiling light,High brightness,aluminum,COB technology,use Japan ... RoHs6. Dimension: 180mm*66 mm/ 260mm*72mm LED 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,hospital ...