•High quality
•Visually alerts you when the tyre pressure is low
•Replace your current boring plastic or stolen caps
•Make your ride stand out from the rest
•Helps to avoid premature tyre wear or blowouts from under inflated tyres
•Increases fuel efficiency, safety and control, extends tyre life
•Green/yellow/red system indicate level of proper tyre inflation
•Green shows that tyre pressure is normal
•Yellow shows that the pressure is down about 5 pounds
•Red alerts you that the pressure is down by at least 10 pounds
•No tools required
•Easy installation
•Universal
•Fits any car, motorcycle, bike, bicycle with a standard valve stem
•Contents: 4pcs