This item is sold in a case of 5 or 10 strings. The Residential 25-Count LED C7 Multi-Colored Lights with 8-inch Spacing will add a splash of color to your holiday decorations. The 25 lights are spaced evenly for easier application on a tree window o r door. With the green 16.6-foot cord they can be used indoors and outdoors. These LED lights use Full Wave Technology which increases the brightness of the lights by 40% over other LED lights. Rated at over 100000 hours of use these lights will not flicker fade or flake and stay cool to the touch. Water and weather proof the lights are designed to be virtually unbreakable.Additional featuresFlicker-freeWill not fade or flakeUV-protectedEnergy efficientFull Wave Technology makes light 40% bright erAbout Forever LEDForever LED specializes in LED lighting. In addition to their energy-efficient holiday light strings they`ve also developed a line of Full-Wave lights that provide DC power all along the string of lights. Located in Marion Ind. For ever LED is an Energy Star partner