Stickers provide unique visual effects when driving a car, riding a motorcycle, or cycling. Simply screw the caps onto the tire valves and set the vehicle in motion. Product features: - powered by 3 x LR1130 or AG10 batteries - alternates between 3 colors - green, blue, red - valves equipped with motion sensors, activate the lighting mechanism only during movement - waterproof - wide lighting angle - intense light color - low energy consumption - shock and high temperature resistance