The quiet Greenworks 80V Lithium-ion Backpack Blower features a brushless motor deliver all the power you need . with 580 CFM and 145 MPH. The quiet backpack blower includes pro features like a variable speed throttle . cruise control and turbo button . offering convenient operation is at your fingertips. Enjoy comfort and support no matter how long you work . with the adjustable shoulder straps. 80V battery and charger sold separately. The Greenworks 80V Lithium-ion Backpack Blower is backed by a 4-year warranty. Item assembled weight ?C 11.7 lbs.