Giderwel Fiber Optic Cable 6.5Ft 300Pcs 0.03In(0.75Mm), Not Include Light Engine . The RGBW fiber optic cable is suitable for most light engine diver, Optical fiber bright colors and fast response. Optical fiber need to use together with light engine.(this kit not include light engine) Premium plastic PMMA fiber optic cable, great optical conductivity and flexible to easily create the shape what you need;Perfect for DIY your starry ceiling. No heat and electrical hazard at the point of illumination,only transmits visible and soft light that can be apply to heat allergic occasions.Operation temperature:-58F - 167F, no UV or IR energy. The LED Fiber Waterproof cable safety and easily install, widely being made ceiling sky decoration for home decoration, art exhibition and car illumination etc. Diameter of each fiber: 0.03in*6.5ft transparent side glow plastic fiber optic cable.