Holiday decorating just became easy with our stunning C9 LED diamond cut faceted string lights. Perfect for Holiday celebrations, our Christmas lights are guaranteed to bring a warm inviting glow to any space. Multi-purpose and weather resistant our lights are suitable for both indoors & outdoors and look great on your Christmas tree, mantel, railings, windows/doors, and entryway. The 25 UL-rated LED bulbs remain cool to the touch and reduce power usage. Each 16.8-foot strand has plug-ins at both ends, allowing you to connect 90 sets together for a total of 2,250 lights. For guaranteed satisfaction our C9 string lights are made to last and covered by a 3-year limited warranty. A spare fuse and 2 spare bulbs are included with each set.