● Three groups of seven LED digital display tubes,displaying real-time pressure and set pressure. ● 4 LED indicators, indicating the operating status of the water pump, the operating mode and the water source status. ● 4 Setting buttons, easy to set, can be stored immediately after setting, and the setting content will not be lost in case of power failure. ● It has two operation modes. ● It is equipped with high water pressure protection function and water shortage protection function.