This item is sold in a case of 5 or 10 strings. The Residential 70-Count LED M5 Mini Multi-Colored Lights with 4-inch Spacing can be used indoors and outdoors. The lights have a green 24-foot cord to wrap around your porch or deck. With the lights evenly spaced decorating is easy. These LED lights use Full Wave Technology which increases the brightness of the lights by 40 percent over other LED lights. Rated at over 100000 hours of use these lights will not flicker fade or flake and they stay cool to the touch. Water- and weatherproof 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.