Powered by 18V, 2.0Ah Lithium-ion battery (included). Up to 4 hours of spray duration on a single charge or 50 gallons of liquid. 3.5-hour charger included. Pre-set spraying pressure at 40 PSI, 0.3 GPM for typical landscape applications (with 8002 nozzle). Stainless steel wand, Viton® seals and powder coated, steel frame for reliability and chemical resistance. Heavy-duty kink resistant hose for added durability. Six nozzles included for a wide range of liquid application: Brass Adjustable, Low, High and Max volume fans, jet stream and foaming (spot treatment) nozzles.