Features:
Fit for US and UK valve
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.
Specifications:
Material: plastic
Size:6cm x 1cm
Power: 3x AG10 button batteries (included)
Color:Red, Blue, Green, Yellow
Quantity: 2 pcs

Note: 1.Transition: 1cm=10mm=0.39inch
        2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
        3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package includes(without retail package):
2pcs * Bicycle Tyre Tire Valve Caps Wheel Spokes LED Light 4 Color(other accessories demo in the picture is not included)