Backpack Vacuum, Vacuum Power Source Cordless, Vacuum Filtration Type , Filter Efficiency 99.97 Percent at 3 microns, Vacuum Collection Type Disposable Bag, Vacuum Capacity 1 1/2 gal, Vacuum Pickup Type Dry, Vacuum Air Flow 81 cfm, Static Pressure 86 in, Weight 9.9 lb, Height 24 1/2 in, Sound Level 71 dB, Motor Efficiency Type Brushless, Number of Motor Stages 1, Power 450 W, Current 12.5 A, Frequency None, Hose Dia. 1 1/2 in, Hose Length 5 ft, Plug Type Cordless, Voltage 40 V WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -