★Metal+PC;Size:1cmX2.5cm;Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
★Car tire pressure monitor valve caps help to avoid premature tire wear or blowouts from under-inflated tires,increases fuel efficiency, safety and control, extends tire life Ensure the normal pressure of the tire.For use on 32 pound per square inch recommended pressure
★Green/yellow/red system indicate level of proper tire inflation.According the recognize color to display the pressure of the tire,Green shows that tire pressure is normal Yellow shows that the pressure is 10% lower than standard Red alerts you that the pressure is 25% lower than standard
★Enhances road handling, increases economy, Suitable for all cars, motorcycles, bicycles.
★Package : 4 x Tire Pressure Indicator Valve Stem Caps
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