Outdoor Christmas Decorations String lights Christmas tree with star works great with trees from around 8 feet to 13 feet tall. You can also hang the treetop starlight to decor your room, window. Just hanging the big star aout 10 feet up on an exterior wall, then drape the 9 lights string down to the ground. You can also hang them sideways more like a shooting star. It will be a beautiful addition to the home or outside decorations. 8 Lighting Modes & Waterproof These falling star Christmas lights have 8 different light patterns: combination, in waves, sequential, slo-glo, chasing/flash, slow fade, twinkle/flash, and steady on.