Kb-16e-6&kb-20e-6(16l&20l knapsack battery sprayer rechargable) New battery operated sprayer with ce &patent certificated. 1. Material of tank: Pp.Very durable fresh material. 2. Capacity: 16-18liter 3. Battery: 12v9ah 4. Pump: Diaphragm 12v. Pump have improved with a excellent quality, Even the powerd jump in, the sprayer still working well without stopped, Because the pump can take out the powerd by itself. 5.Working time: It at least can spraying out 25tanks water after a full charged 6. On-off: Water proof 7. Shut off: Automatic 8. Lance: Dia1.2mm, length65cm durable glass fiber lance 9. Hose: 2mpvc hose 10 .Ce certificated charge: Input: ac100-240v; 50-60hz; output: dc12v, 1.5a 1. Pressure control valve is available to choose. 2. One sprayer come with five different kind of nozzles. 3. There are different knid of sprayer lance can be choosed: Brass lance, aluminum lance, stainless steel lance, telescopic lance etc. 16l 20l