Christmas lights have long been a tradition in the U.S. and throughout the world. In the United States, they are generally utilized to decorate private homes, office buildings, churches, and municipal buildings in preparation for the Christmas season. Apart from the classic colored Christmas lights, there is also a variety of novelty lights available. These range from popular cartoon character-shaped light strings to flashy LED bulbs. Most of these lights require a power source to function, either connected directly to the wall outlet or through a portable power pack. For larger-scale displays, some Christmas lights are powered by automobile batteries or even solar panels. Aside from giving homeowners and businesses the festive look that they desire, Christmas lights also bring a sense of joy and warmth to passersby. After dark, dimly-lit streets are transformed into bright, sparkling tunnels of beauty. People of all ages can appreciate the beauty and charm of Christmas lights in any season. They have become an integral part of the holiday season, and as technology advances, the possibilities for new and innovative lighting designs only become greater. Whether it's to get you in the holiday spirit or to simply illuminate the night, Christmas lights are sure to provide a delightful experience no matter their design.