... and reliable.2.By printed circuit board composition, with 3M double-faced sticking tape, used to paste, small volume3.Light: import ... Yellow Blue Green WhiteLED type3528 SMDLED Qty 1 pcsDemension 20*10*4mmModule interfaceGray0.5mm2×75mm RVleadsInterface definitionGray anode,white cathodeCluster Qty ... lighting box,scenery designs and decor,etc. KTV, supermarket, display case accent, art work lighting.