It could automatically maintain a constant pressure in the pipeline as well as a constant water speed. The electric part and pipe are completely isolated for security. Automatically power on pump when open water valve and power off pump when close water valve or there is water shortage. This electronic intelligent water pump automatic controller can or stop the pump according to the detected data of water source state, water volume and pipeline pressure change. It can control various kinds of pumps, widely used in house, courtyard, garden, greenhouse, etc., Weight: 2.62239860649 Pounds, Manufacturer: Teuypty