The elf logic bright white Moravian star light is easy assembly, press & clip, and functions on a battery timer - it will be your favorite Christmas decoration to put up this holiday season. This product is warmly glowing water resistant - suitable for the outdoors. To add Christmas cheer - this white elf logic Moravian star light is designed to spread holiday cheer, tradition, and meant to symbolize the star of Bethlehem. Our lighted led Christmas tree topper can also be used as an advent star, star of Bethlehem, or as a Christmas light decoration!