Internal "No Leak" pump design. Can be used with wettable powders and liquids for all applications. 150 max PSI; 25 psi pressure regulator delivers constant pressure to apply lawn chemicals. Cap assembly with Viton check valve. Pro Shut-off with 50” reinforced PVC hose & strain relief nut (to keep hose from kinking). 25” Stainless Steel Wand with Poly Liner. Nozzle Kit (3) - (Brass adjustable, red poly high-volume fan, yellow poly high-volume fan, cap nut, Viton gasket). No pumping required! Same features as our manual 4-gallon sprayer but using an 18 volt battery to activate the pump versus manually doing it. Up to 4 hours of spray duration on a single charge or 50 gallons of liquid. Impact resistant battery compartment keeps the battery concealed and away from liquid that may cause damage. Easily accessible filters in cap, shutoff, and pump reduce build up of large solids which may affect performance. On/off switch - that's it! 1 year warranty.