[Adjustable water flow] You can select the water flow via the control knob on the spray gun: mist flow is used for cleaning or watering a large area, linear flow is used for clean the stubborn stains. The amount of water remains constant in all positions and in all directions. [High Pressure Nozzle] The standard inlet pressure is 50-110psi and the outlet pressure is 180-260. Normally the outlet water pressure is 2.5-3 times the pressure inlet water. The range of the spray gun is 6 to 15 m (20 to 50 ft). Of course, we can turn the pressure knob to adjust the range. [Hardware Design] This high pressure spray gun is made of potashite with brass nozzle, durable and anti-rust. The non-slip rubber handle is ergonomically designed to provide you with a comfortable touch. Very suitable for cleaning cars, sidewalks, yards, gutters, bridges, etc. [Wide Applications] 1. Wash cars, trucks, RVs or boats; 2. Water your garden or lawn; 3. Wash your pets; 4. Remove buildup from wood or aluminum siding and foundations concrete dirt and mildew; 5. Remove dust and dirt from brick concrete patios, pool decks and walkways. [Note] When using a high pressure spray gun, it may be necessary to connect the water line with the internal thread quick connector (not included). Please choose a connector that matches your pipe of water.