Topeak Shuttle Gauge Digital Tire Pressure Gauge.

The meter can measure up to 20.7 bar / 300 psi.

When the tire pressure gauge is mounted on the valve, the screen can be rotated to the preferred position. While sitting on the valve, the button on the front can be used to switch between bar, psi and kg / cm2.

The button on the back is used to take air out of the tire.

You need 1 pc. CR2032 battery.