Function:

1. Four units can be selected PSI KPa bar kgf/cm2, the default KPa

2. When powering off, short press the left button to turn on; after power on, short press the backlight to turn on and off, long press to power off,

3. Right click to switch unit

4. In the case of pressure, the backlight will be on for 15 seconds and automatically turn off, and the pressure will always be displayed

5. There is no pressure delay for 20 seconds to automatically shut down.

Optional function:

1. When the pressure changes when the backlight is on, the backlight is always on.

2. After shutting down, it will light up automatically when there is pressure for 5 seconds.