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. The 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 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% brighterAbout 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. Forever LED is an Energy Star partner.