Features:Automatic pump controllers: They automatically maintain a constantly pressure in the pipeline and a constantly flowing rate.Practical: electric switches are used in the water supply system to automatically start and stop the pump. Automatic water checks stop the pump in the event of a water shortage, saving the pump from damage caused by dry running.Widely compatible: pump pressure controllers have a very wide range of applications in self-priming pumps, garden pumps, centrifugal pumps, etc.Widely applicable: can be used to control a wide range of pumps, widely used in homes, yards, gardens, greenhouses, etc.Low noise, no need to worry about excessive decibels when operating, high strength construction and all copper connections make you worry free.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementSpecification: AU, EUSize: 7*7*5.7inches