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 - 5 LEDs - valves equipped with motion sensors that activate the lighting mechanism only while driving - waterproof - wide lighting angle - intense light color - low energy consumption - shock and high temperature resistance Minimum order is 2 pieces, packaged in sets of 2 pieces of the same color.