Power by 3 x AG10 batteriesSuitable Car, bicycles or motorcycleWaterproofShockproofColor: 1 pink 2 yellow 3 blue 4 greenColor:   1 pink 2 yellow 3 blue 4 green Power by 3 x AG10 batteries Tire valve cap lights screw onto the valve stem of your car, bicycles or motorcycle in seconds Universal fitment and easy to install no special wires, can be easily installed and removed Fits most valves of road, mountain bicycles, motocycles and cars Bright led will turn on while the vehicle is moving and off when stop Silver body with ultra bright, long life-span led lights Car lights increase night-time and bad weather visibility for safety Waterproof, shockproof