A bright, colorful and safe way to spin around the neighborhood or city! Color morphing lights use 20 Micro LED lights to gradually transition through the rainbow, creating a variety of brilliant colors. 7 foot tubing in one string of LED lights for each wheel included along with instructions. The quick-clamp bike light projects LED lights onto the ground for an awesome pattern any way you turn. Simple to install. Each requires 3 AA batteries. Bike Light is 4¼".