Features: Water leakage is prohibited at the connection, otherwise the product may be damaged. Easy to install,connect the product to the water outlet, very convenient. Suitable for power less than 3KW,pressure 30-100kg. Specification: Product Name: Automatic Start-stop Device of Car Washing Machine Adapted Model: 55/58 Model Car Washing Machine Car Washing Machine Pressure: 3MPaPressure10MPa Product Voltage: 220V Product Current: 10A(If it exceeds 10A, please connect the AC contactor, otherwise the product may be damaged) Thread Diameter: 22mm/0.9in Colour:black Material:brass Package Contents: 1 * Automatic Start-stop Device of Car Washing Machine 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.