1)Long life 2)Energy Saving 3)Quick Start 4)Low power consumption 5)High brightness light ... source 1,10w led round panel2,AC85-265V 3,138pcs SMD 3528 4,Size:215*200*25mmSpecifications :Model: SJ ... ,Classroom Lighting,Factory Lighting,ETC.Aging Pictures:Packing Details:Certificate: 3 inch round led ceiling down light