Christmas lights, also called fairy lights, are ornamental lights used during the Christmas period. They come in a variety of colors and shapes, from simple icicles to elaborate crescents. Christmas lights are popular decorations during the Christmas season and can often be seen around homes, trees, businesses, and holiday displays. Christmas lights typically use electricity, although LED lights are becoming more popular due to their energy efficiency, long life, and lack of heat generated. One can also find solar-powered lights that will turn on and off on their own schedule. Christmas lights can be used to light up festive outdoor displays or to add cheer to a homes windows or outdoor patio. Many families use Christmas lights to decorate their Christmas trees, to line their walkways or outdoor porch, or to add a bit of sparkle to a porch or doorstep. Christmas lights are also popular for other holidays such as Easter, Halloween, and Thanksgiving. They are also used to create beautiful displays for birthdays, anniversaries, and other special occasions. Christmas lights are an enduring symbol of Christmas that bring cheer to homes and festive joy to outdoor displays. They help create a festive atmosphere and can turn any area into a winter wonderland.