Make your wheels glow with a circle of color-changing light! Wheel Brightz Color Select uses 20 micro-LED lights to cycle through the rainbow, or it lets you stop on your favorite color! Each package includes one light string in weather-resistant tubing to fit one standard 20-29 inch wheel (compatible for kid and adult bikes). Also included is the attached battery pack and mounting hardware. This simple, tool-free installation will have you styling and visible for evening bike rides! Features: Transitions through a rainbow of colors, or lets you select one color 7-foot light string with 20 micro-LEDs String and tubing can be cut to size Fits on standard wheels, 20-29 inches Weather resistant design No tools required for installation Requires 3 AA batteries (not included) for 48+ hours of light Includes: 1 String of LEDs in tubing with battery pack, 1 silicone strap, and 6 mounting ties