1 8 Lighting Modes: Christmas tree lights are available in 8 different lighting modes. And the string lights have four levels of brightness for choice. A variety of blinking modes and brightness bring different light effects, which will make your Christmas tree and holiday more atmospheric. 2 Unique Design: Our tree decoration lights comes with 16 strands total 320 LED string lights which is 6.5feet long, and the extension cord is 9.84ft. No need to winding many lights around and through all the branches of a tree. 3 Easy to Install: Use Christmas lights, just put the black plastic rings on top of the Tree, install the tree topper, and drooping the light cord. You'll have a better way to decorate a tree that not only looks better than the others, but is also much easier to do. 4 Waterproof LED Lights: The Christmas LED string lights are made of waterproof material, which can withstand light rain and water splashes, also work well in snowy weather. Perfect for outdoor and indoor Christmas decorations, party, holiday, wedding and garden, yard, patio decorations. 5 Perfect Christmas Decoration: Perfect for indoor and outdoor decorations. Easy to be hung on a tree or roof to make a decoration to your yard. Best for Christmas party, Valentine's day, wedding, home, window, bathroom, festival, Holiday, shows, restaurant, hotel, commercial building, shopping center etc.