Tire Pressure Monitor: This tire pressure gauge is used to monitor tire pressure to extend tire life and ensure safety. Constructed of high quality, heavy metal iron and metal components that provide long-lasting performance All-in-one unit: Inflator gun, chuck and gauge all in one. Can be used to inflate/deflate tire, measure tire pressure. Convenient to read data with two units (PSI/BAR). Compact size, easy to keep in the car and simple to use Wide measuring range: 0-220 psi / 0-16 bar. Built-in bleed button to adjust air pressure when tire pressure is too high. Gun grip type design, easy to handle and use Wide application: The tire inflator gauge is suitable for medium and small trucks, motorcycles, cars. Shock-resistant rubber protective shell. 35cm/14inch rubber hose, can reach around corners High precision: High quality precision machine core, durable and precision measurement. The gauge maintains high performance and accuracy under extreme conditions. Drops, shakes and bounces do not influence the accuracy of the gauge