This pump sprayer is 12L, with a total 14L capacity. The average liquid output is 0.4-2.2 Lpm, 3.8 Bar max pressure, Polyethylene tank-BUNA seals, 75-135cm telescopic lance, 170cm reinforced PVC hose, 12V, 0.7 Amp diaphragm pump, 3400mAh Li-Ion Battery. Supplied with a battery charger, adjustable shoulder straps and belt. Fast charger, Also supplied with additional spares, seals and nozzles.