EverLights are the most advanced decorative lights in the world. Our version 3 system is now brighter than ever, EverLights are the most robust and dependable light on the market and the only programmable decorative light where if one goes out the rest keep working. Each string includes 25 feet of EverLights and UV resistant caps (33 lights at 9" spacing). *Note* Please add a power booster for every 75 feet of lights you purchase. This will keep your lights their brightest. ​Use of this product may require periodic maintenance, including but not limited to, replacing a light bulb.