Constant water pressure: This pressure button ensures constant water pressure when watering the garden or domestic water supply: approx. 25 x 15 x 13 cm / ~ 230 V 10% / 50 Hz IP protection class: IP65 Pressure maximum operating pressure: 10 bar. Built-in check valve:Maintains constant pressure built-in check valve and built-in dry-running protection effectively protect your water pump and prolong its service life. Maintenance-free and reliable system: Pump control eliminates the effect of water surges. Whether for domestic water supply garden watering pumping swimming pools or cleaning jobs the pump control has excellent regulation performance automatic control and reliable dry-running protection. Compact design: the pump control can be easily placed between the pump and the connected devices (eg taps and garden hoses). You no longer need to manually adjust the water pump switch. He can control various types of pumps widely used in home yard garden greenhouse etc.