Feature:
2 tyre valve covers with built-in LEDs
If you want to add that personal touch to your Car, Bike - lighting is one of the best ways
They are self contained with light & motion sensors, LEDs, and replaceable built-in watch batteries
When it is dark and your wheels start to move, they automatically light up creating a solid disk of light that appears to hover above your wheels
When you stop they will switch off to save battery power
Bring more color to your car
Bring more enjoyment to your drive

Specifications:
Light sensor, only light up in dark environment and when wheels are spinning
Automatically turn off either when it is too bright or after the wheels stoped 10 seconds
Installs on standard tyre air stem valve of cars, motorcycles or bicycles
Easy to install, twist off your original valve cap, and replace with our valve cap LED light
Color of the light: color change, flashing
Some color are shown below: Blue, red, green.....