Greenworks 40V (730 CFM / 190 MPH) Cordless Brushless Leaf Blower, 5.0Ah + 4.0Ah BONUS Battery and 5A Rapid Charger [BONUS BATTERY] - Includes 5.0Ah battery + bonus 4.0Ah battery for additional run-time! [40V AXIAL BLOWER] – Delivers more power and performance without the noise, fumes, or harmful emissions. [BRUSHLESS MOTOR] - Highly efficient brushless motor that provides more torque, quiet operation, and longer life [UP TO 60 MINUTE RUN-TIME] – Blow up to 60 minutes with a fully charged 5.0Ah battery [730 CFM / 190 MPH] – Quiet operation @ 64 dB. Turbo button for power on demand [VARIABLE SPEED] – Equipped with trigger-activated variable speed control and cruise control Brand Name Greenworks