Smart Christmas lights are the new trend. They are designed to provide a smarter, better, and more energy-efficient way to decorate your tree. New features include motion detection so that your lights come on automatically when you walk up to the tree. The lights can be set to stay on all day or turn off after a certain period of time. And they have an adjustable timer so you can control how long it takes for your tree's lights to turn off automatically. Smart Christmas lights can be a good choice for Christmas decorations, at least it can be a good decoration for a Christmas tree, but for a person who is using Christmas lights for decoration, may not be a good idea at all because, the lights require the high-tech controlling unit and expensive LED lights, if you want to add some extra decoration to your Christmas tree with this Smart Christmas light, you should add much more decoration to your Christmas tree.