Features: Prevents water leakage at the connection to protect the product from damage. Easy to install; simply connect the product to the water outlet for convenient use. Suitable for machines under 3KW with 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 Range: 3MPa to 10MPa Product Voltage: 220V Product Current: 10A (If current exceeds 10A, an AC contactor must be used to prevent 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 accessories are not included. Note: Due to lighting effects and monitor settings, the color in the image may slightly differ from the actual product. Measurement error allowance is +/- 1-3cm.