Features: Water leakage at the connection must be avoided, as it may damage the product. Easy to install; simply connect the product to the water outlet for convenience. Compatible with power less than 3KW and pressure between 30-100kg. Specification: Product Name: Automatic Start-stop Device for Car Washing Machines Adapted Model: 55/58 Model Car Washing Machine Car Washing Machine Pressure: 3MPa to 10MPa Product Voltage: 220V Product Current: 10A (If it exceeds 10A, connect an AC contactor to avoid potential damage) Thread Diameter: 22mm/0.9in Colour: black Material: brass Package Contents: 1 * Automatic Start-stop Device for Car Washing Machines Only the contents listed above are included; other products are not part of the package. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from reality. The allowed measurement error is +/- 1-3cm.