![1](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
This is an air chuck gun that can measure tire pressure, inflate and deflate. The LCD digital display allows you to easily read the tire pressure measured. You can switch between 4 units: 3-200psi. 3-14.2 BAR. 3-1424KPA and 3-14.5kg/Cm2.When you measure the tire pressure, the power will automatically turn on, but it will automatically turn off when not measured (20-30 seconds).