The Holiday Time Blue LED Rope Lights are 18 feet long and feature tube-shaped lights in a vibrant blue color. These string lights are suitable for various occasions such as Christmas, beach parties, and anniversaries. With a power source of a wall plug-in, these lights can be used both indoors and outdoors. The energy-efficient LED technology ensures a bright and long-lasting lighting experience, making them a perfect addition to your holiday décor or any special event.