1.Arbitrarily set to start and turn off the value of stress value. 2. control makes no problem in continued repetition on-off. 3.Working stress shows on dial makes observation more convenient . 4.Long working life, stable percompatible withmance. 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. Don't need to install the pressure tank Percompatible withmance 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 percompatible withmance index: IP65 Voltage: AC 220V Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. compatible with PUMP WITH lift 0-85 meter This product is different from the conventional pressure switch:It's combined electric contact pressure gauge combines the advantages of accurate readings, through p ovoltaic technology control the installed equipments on-off freely. Product design components including: a stable and reliable electronic circuits , high-percompatible withmance electronic relays, sensitive p oelectric sensor, electric contact pressure gauge plate, high-strength plastic sheet Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration becompatible withe place the order if you have request compatible with color or appearance. Colour:P o Color Material:plastic Package Contents: 1 x Water Pump Pressure Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.