knapsack sprayer ESR-16C16Liters12V/12AH Maintenance-free Power Storage Battery6ADC12V/1500MA Automatic SaturationDC12V / 2.2A / 3.1L/min70psi (0.48Mpa)Five block rate of flow adjustmentElectricity InstructionStainless steel adjustable wandSingle Nozzle,Double Nozzle,Adjustable stainless steel nozzle≥ 7hours (Cumulative time)5.5KG6.6KG39×26×65CM