Fangrui Product Details 1.arbitrarily Set To Start And Turn Off The Value Of Stress Value. 2.precise Control Makes No Problem In Continued Repetition On-off. 3.working Stress Shows On Dial Makes Observation More Convenient . 4.long Working Life, Stable Performance. 5.the Minimum Pressure Can Adjustable To Zero Pressure At Start, Control More Convenient; Free From Working Condition Limited, It Can Work In Any Places There Is Pressure. Dont Need To Install The Pressure Tank Performance Parameter:pressure Switch 10 Bars Work And Control Voltage:220vac 50hz Pressure Adjusting Mode:freely Adjust Pump Start(lower Limit) And Stop(upper Limit) Waterproof Performance Index: Ip65 Voltage: Ac 220v Plug Type :eu Plug,it Applies To Indonesia, Germany, France, Spain, Italy And So On. For Pump With Lift 0-85 Meter This Product Is Different From The Conventional Pressure Switch:its Combined Electric Contact Pressure Gauge Combines The Advantages Of Accurate Readings, Through Photovoltaic Technology Control The Installed Equipments On-off Fre