Durable Stainless Steel: Capacity: 1 Gal; Pressure: 1.5-4.0 Bar. This hand pump sprayer is made of stainless steel, rust-proof and durable. Pay attention that the rubber ring and internal design are not suitable for strong corrosive, acidic, and base solutions. Adjustable Nozzle: The premium brass nozzle can adjust the intensity of the water spray from direct injection to fine mist. This stainless steel sprayer is equipped with a flexible hose and spray stick, which helps to spray to a 13.1-16.4 ft distance. Security Valve & Pressure Gauge: The barometer on this sprayer can intuitively see the state of pressure inside the tank. Come with a security valve that makes it automatically release internal pressure when the pressure is too high, keeping the pressure in a secure range. Easy to Use & Carry: The bowl-shaped water inlet of the garden sprayer is convenient for filling water, and the humanized handle is designed for quickly building up air pressure