Brand new and high quality.
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.
 Power by 3 x AG10 batteries.(INCLUDED)
 Size: 3.8cm

How do I get them to work for first time ?

You have to unscrew the cap to get to the battery and there is a piece of paper between the spring and battery. Remove it and put back together and they will work on vibration.

 Color: White, Blue, Green, Yellow, Red or Multicolor, please choose from below
 Package include : Tire Light X 2

Available Options: