1Christmas Window Decoration: Christmas window colored lights in Christmas shape with suction cups, no harm to the wall, cute pendants for New Year, Christmas parties, weddings, commercial display, interior decoration. 2Battery Powered: This LED Christmas decoration lights can be powered by 3 AAA batteries (not included), which can be flexibly selected in any way and is convenient to use. 3Easy to use: The Christmas window hanging lights are easy to use, just stick it on the window, use the battery, and press the on or off button to use. 4Recommended surface: Simply attach the suction cup to smooth surfaces such as glass, mirrors, tiles, marble, and stainless steel instead of painted wall, rough textured surfaces and wallpaper. 5Perfect Gift for Decoration Collectors: For gifts, decoration collectors will add competition to their collection this limited edition decoration is the perfect gift, a Christmas gift for mom and grandma!