This item is sold in a case of 5 or 10 strings. With its 24-foot green cord the Residential 70-Count LED C6 Purple Lights with 4-inch Spacing is ideal for indoors and outdoors. The long cord lets you place these lights in a tree or around a column. T he purple lights bring a little twist to your holiday decorating. 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 fad e 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% brighterAbout For ever 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. Forever LED is an Energy Star partner