Feature:1. Better Control: The start up pressure is adjustable between 1.5bar and 2.2bar, meanwhile the maximum pressure can get to 10bar.2. Reliable Works: Equipped with a one way valve to ensure the pressure inside the pipeline, which also promises better security.3. Safe for Pumps: The controller will auto stop the pump when water shortage or stuck occurs, preventing the pump from idling.4. Extensive Uses: Allows for wide application on self priming pump, jet pump, garden pump, clean water pump, centrifugal pump, etc.5. Great Material: Using high quality ABS material, the switch has a sturdy shell and excellent durability for long term using.Specification:Item Type: Water Pump Pressure SwitchMaterial: ABSStarting Pressure: 1.5bar-2.2barMaximum Current: 10AMaximum Pressure: 10barFrequency: 50 60HzMaximum Temperature: 60Protection Class: IP65Interface Size: G1in.Package List:1 x Water Pump Pressure SwitchNote:Before starting the device, please check the water absorption and pay attention to the safety of electricity.