Voberry Hot Sale Mini Keychain Digital Tire Tyre Air Pressure Gauge For Car Auto Motorcycle Material: Strong ABS shell,Increase fuel efficiency, environmental friendly & gas-saving Keychain design, easy to carry,Dimension:6x3.3x1.5cm(approx) Reduce tire wear & extend tire life,Four units: Psi, kpa, bar, kg/cm2 A must have item for monthly-tire-check Voberry is a protected Trademark