Stop messing with tangled strings of lights and burned out bulbs! The Tree Dazzler™ is the easy way to decorate your tree in minutes! Simply place the ring over the top of your tree and arrange the vertical strands with 64, stay-cool LED bulbs. Then press the buttons on the control to transform your tree into a dazzling light show. There are 16 color and pattern options to choose from. In "Still" mode, the lights can be red, green, blue, white, candy cane or multicolor. There's also a "Shimmer" effect with red, green, blue, pink/purple and rainbow options. And, there's a "Show" mode with 5 options: streaming colors, multicolor cascade, rainbow fade, Christmas scroll (red and green) and 8-color spin. For spectacular results, use multiple sets (up to 3). AC cord is 9-ft. long. Plastic and PVC. Each set is great for trees 6 - 7 1/2 feet tall. Each bulb is 1 1/4"Dia.