You just need to connect it to valve hole.
It can flash light as you tightening it,a great part for lighting and decoration at night.
Easy to install and replace
Just tighten the valve to turn on the blue light
High quality, small, lightweight, long life.
Small and exquisite appearance, it is convenient to carry.
It can be installed on the air tap of tyre,it will flash when the wheel rolls.
Make your favouite car,motorcycle or bicycle personalised and absorbing. - Increases visibility of nighttime or bad weather for enhanced safety.
Led lights will turn on while the vehicle is moving and off when stop
Matched with three AG10 button cells each.
The air tap can be used in British and American (Not for French Value). Specification:
Material: Aluminum and Plastic Color:Red,White,Green,Blue Dimension:58cm(L) x 20cm(Head Dia.) x 0.5cm(Valve cap inside diameter) Package include 2x Skull valve cap/ wheel lamp