Stainless Steel: Capacity: 3.5 Gal; Pressure: 1.5-4.0 Bar. This hand pump sprayer is made of stainless steel. Note that the rubber ring and internal design are not suitable for strong corrosive, acidic, and base solutions. Adjustable Nozzle: The brass nozzle can adjust the intensity of the water spray from direct injection to fine mist. This sprayer is equipped with a flexible hose and spray stick, allowing a spray distance of 26.2-32.8 ft. Security Valve & Pressure Gauge: The barometer on this sprayer shows the pressure inside the tank. Includes a security valve that automatically releases internal pressure when it becomes too high, maintaining a secure range. Easy to Use & Carry: The bowl-shaped water inlet of the garden sprayer is convenient for filling water, and the handle is designed for quickly building up air pressure. It also comes with two adjustable shoulder straps for carrying. Multiple Applications: Our handheld sprayer is suitable for gardening, lawn, yard, indoor and outdoor spraying needs, automotive, general cleaning, pet bathing, and other applications. It can also be used for disinfection.