ECHO DPB-5900T Backpack Blower Kit The DPB-5900T Backpack Blower offers 795 CFM at up to 195 MPH airflow, which is ideal for pros. Features Its powerful brushless motor provides gas-like performance Has a variable-speed throttle with cruise control that offers operator convenience and power control Its rubber over-molded grip increases comfort and control Its MAXOUT™ technology ensures maximum power output for the life of the battery charge Its LED Grip Control Display provides quick, easy, and precise indication of all three batteries It's three battery ports allow you to engage one, two, or three batteries simultaneously for a longer run time and better performance Features a turbo button that boosts performance to 195 MPH, 795CFM, and 25 N The turbo button's locking feature delivers user convenience and maximum performance Has a heavy-duty padded backrest with a chest strap for all-day comfort Uses an 8.0Ah battery Includes 3 - 8.0Ah Batteries 2 - Dual-Port Chargers