High/low speed settings brushless motor: delivers more power under load and longer motor life Power to clear from 15 ft. Maximum air speed: 120 MPH Maximum air volume: 450 CFM The Milwaukee Blower has the power to clear from 15 ft., gets to full throttle in under 1 second, and is up to 4 lbs. lighter than competitors. Designed to meet landscape maintenance professional needs, the Brushless Motor and XC8.0 Battery deliver 450 CFM and 120 MPH output. The blower features a variable speed trigger and high/low speed settings for increased control. The high setting is for the most demanding applications and low is optimized for clearing debris from flower beds without moving mulch. The lock on button allows the blower to be locked on to full throttle, so the operating hand can be relaxed reducing fatigue.