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 to prevent frequent on/off cycling. When tap water is turned on and the pump cycles frequently, adjust the H setting to a higher value. If the pump runs continuously without stopping, lower the H setting. If the pump does not start, increase the L setting. Voltage: AC 220V Plug Type: EU Plug (suitable for 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 display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1–3 cm.