This item is sold in a case of 5 or 10 strings. The small round lights of the Residential 100-Count LED G15 Green Lights with 4-inch Spacing make them perfect for a tree or banister. With the 33.3-foot green cord they can be used both indoors and out doors. 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 pr oof 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 additio n 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