Backpack Vacuum, Vacuum Power Source Cordless, Vacuum Filtration Type , Vacuum Collection Type Disposable Bag/Reusable Bag, Vacuum Capacity 1/2 gal, Vacuum Pickup Type Dry, Vacuum Air Flow 70 cfm, Static Pressure 44 in, Weight 9.9 lb, Sound Level 69 dB, Number of Motor Stages 2, Hose Dia. 1 in, Hose Length 3 ft, Voltage 36 V, Cordless Tool Battery Type Li-Ion, Includes Battery No, No. Batteries Included 0, Battery Capacity 5 Ah, Includes Charger No, Series X2 LXT(R) WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)