Digital LCD Solar Power Car Tire Tyre Gauge Pressure -Hand-held Automotive Tire Pressure Gauge - Pressure Range:2-150PSI Red Powered by Built-in Solar Recharged Lithium Battery! Multiple pressure units:Psi, kpa, bar, kg/cm2 Extendable Depth ruler , convenient for measure tire pressure for auto, truck, motorcycle.checking the tire tread is fast and easy. A great Tool for keeping your car and tires in good order