Features: Prevents water leakage at the connection; otherwise, the product may be damaged. Easy to installconnect the product to the water outlet for convenient use. Suitable for devices with power under 3KW and pressure between 30-100kg. Specification: Product Name: Automatic Start-stop Device for Car Washing Machine Compatible Model: 55/58 Model Car Washing Machine Car Washing Machine Pressure: 3MPa to 10MPa Product Voltage: 220V Product Current: 10A (If exceeding 10A, connect an AC contactor to avoid damage) Thread Diameter: 22mm / 0.9in Color: Black Material: Brass Package Contents: 1 x Automatic Start-stop Device for Car Washing Machine Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement error allowance: +/- 1-3cm.