... nice.high quality 3)Square,Epistar 4)CE&RoHS;CCC;ISO9001:2000 5)Factory,2years warrant Downlight led,square 5w 10w 15w cob led downlight1 ... oxidation 2,Light source:all use high power LED which is low-light failure with high brightness as a light source,to ensure ... lens(half-light),the bead surface lens (soft) 4,High brightness,low electricity consumption and color temperature.your electricity bill will ...