Automatic Air Pump Water Oil Compressor Pressure Switch, Digital Display Eletronic Pressure Controller For Water Pump ,Easy to Use - 1005_0-25BAR AC220

- Diret adjustment of upper and lower limit keys: no other operation is required, and the upper and lower limit values are directly adjusted. - Zero calibration: press and hold the zero calibration button to calibrate the zero directly - Terminal wiring: the terminal wiring is simple and reliable. - Intuitive and clear display: it is simple to directly the pressure reading with large digital display.