Christmas Lights Christmas lights are a timeless holiday tradition. People all around the world celebrate the the season with Christmas decorations in their homes and workplaces. One of the most popular and recognizable decorations is the Christmas light. Christmas lights come in a variety of shapes, sizes, and colors. They are usually bought in a string that is used to outline windows, walkways, and building facades. Some people create stunning displays with hundreds of lights that become a neighborhood draw. Others choose to arrange their lights in shapes such as trees and stars, or just hang them randomly around their homes. Many Christmas lights are energy saving LED bulbs, which are well suited for outdoor use. These lights are typically brighter and longer lasting than incandescent bulbs, and also much more economical to power. LED lights can also be programmed to flash or chase, a feature that adds more fun to holiday decorations. No matter how simple or elaborate, Christmas lights are a wonderful way to spread cheer throughout the holiday season. Whether they are hung indoors or outdoors, they create a festive atmosphere that brings out the spirit of the season.