About this item Unique and multi-function design: the tire pressure gauge supports 4 measuring modes: 0 ~ 220 PSI, 0 ~ 16 BAR, 0 ~ 1600 KPA, 0 ~ 16 kg/cm2. The multifunctional tire pressure gauge can not only check tire pressure, but also inflate and deflate them. LCD Display: Tire inflation gauge with digital LCD display, you can see the value through the blue light of the display in the dark. Exhaust valve: The tire pressure gauge is equipped with a built-in bleeder to lower the pressure, precise adjustment pressure and a hold function that makes it easy to read your vehicle's tire pressure. Complete accessory: the tire pressure gauge is easy to use. And it is simple to connect the valve. Press the "ON" button to begin. Press the "UNITS" button to set the unit of measurement. Widely used: Our tire pressure gauge is suitable for most cars, boots, motorcycles and bicycles, with multiple accessories that can meet your different needs. The gauge is small and easy to carry.