Pressure transmitter inside, stable and accurate. Switches the pump off during water shortage and on when water is available. Micro-computer processing chip for safe and intelligent control. One-click setup for on/off pressure limits. Waterproof rating: IP65 Relay capacity: 220V AC, 10A Working pressure range: 0–10 Bar, compatible with all pumps Output signal: active output, provides 220V to start pumps up to 1.5KW directly Type: Digital Pump Switch Condition: Installation Notes: If the pump does not have a check valve, install one before the pressure switch; otherwise, the pump may cycle on and off more frequently. When turning on the tap, if the pump cycles repeatedly, adjust the H valve to a higher setting. If the pump runs continuously without stopping, lower the H valve. If the pump does not start, increase the L valve setting. Voltage: AC 220V Plug Type: EU Plug (suitable for countries such as Indonesia, Germany, France, Spain, Italy, etc.) Color: As shown Material: Metal + Plastic Package Contents: 1 x Digital Pump Switch Note: Other items not included. Note: Lighting reflections and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement error allowance: +/- 1–3 cm.