This RGBWW 5mm Convex-Starter Kit has everything you need to begin your holiday light decorating. It comes complete with a set of 50 LED RGBWW coaxial 5mm convex-shaped bulbs, a controller box and a remote. You control the lights to be all warm white, multi-colored or have a changing pattern to them. The set can be connected to additional sets if you need a longer lighted length.