1、This electronic intelligent water pump automatic controller can start or stop the pump according to the detected data of water source state, water volume and pipeline pressure change 2、Well designed and high quality, the electric controller has low noise and long service life 3、It could automatically maintain a constant pressure in the pipeline as well as a constant water flow speed 4、Automatically power on pump when open water valve and power off pump when close water valve or there is water shortage 5、It can control various kinds of pumps, widely used in house, courtyard, garden, greenhouse, etc Features: This electronic intelligent water pump automatic controller can start or stop the pump according to the detected data of water source state, water volume and pipeline pressure change. Well designed and high quality, the electric controller has low noise and long service life. It could automatically maintain a constant pressure in the pipeline as well as a constant water flow speed. Automatically power on pump when open water valve and power off pump when close water valve or there is water shortage. It can control various kinds of pumps, widely used in house, courtyard, garden, greenhouse, etc. Specifications: Voltage: 220V~240V(50/60Hz) Max. Current: 10A Start Pressure: 1.5bar Stop Pressure: 10bar Max. Pressure: 10bar Inlet/Outlet Diameter: 1inch Size: 24 x 13.5 x 12.5cm / 9.45 x 5.31 x 4.92" Package Includes: 1 x Controller  Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.