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 Switch Material: ABS Starting Pressure: 1.5bar-2.2bar Maximum Current: 10A Maximum Pressure: 10bar Frequency: 50 60Hz Maximum Temperature: 60 Protection Class: IP65 Interface Size: G1in. Package List: 1 x Water Pump Pressure Switch Note: Before starting the device, please check the water absorption and pay attention to the safety of electricity.