General description The high-precision digital tire pressure gauge is designed for both car and motorcycle use, featuring a durable metal structure and a rubber protective sleeve. It offers accurate measurements up to 100 PSI, making it ideal for intensive use. Technical specifications Dial size: 2 inches Maximum pressure: 100 PSI Materials: copper, iron, aluminum, plastic, rubber 360-degree rotating brass head One-button deflation device for easy pressure adjustment Pressure conversion: 1 PSI = 0.069 bar = 0.07 kg/cm² Installation Unscrew the valve cover from the tire. Insert the brass end cap of the pressure gauge into the valve and tighten. Usage The tire pressure gauge will display the tire pressure. If the tire pressure is insufficient, inflate the tire. If the tire pressure is too high, press the exhaust valve to release air. The normal tire pressure for small cars is between 28 PSI and 35 PSI. After measurement, unscrew the brass end cap, press the purge valve to reset the