The Ego Power 670 CFM Blower delivers air speeds up to 180 MPH and 670 CFM to Power through wet leaves, caked on grass, rocks, and other heavy debris. The Ego Power 670 CFM Blower delivers air speeds up to 180 MPH and 670 CFM to Power through wet leaves, caked on grass, rocks, and other heavy debris. This cordless leaf blower delivers up to 80 minutes of runtime on a single charge with the recommended 56V 4.0Ah ARC Lithium battery. Its speed control dial allows you to adjust your airspeed from 250 to 530 CFM for ultimate control. Activate turbo mode to Power through heavy debris with 670 CFM and 21N push force. The variable speed trigger includes a cruise control dial for consistent blowing. This leaf blower features a high-efficiency brushless motor that delivers long runtimes, low vibrations, and an extended motor life. Turbine fan engineering, inspired by advanced aeronautics technology, performs better than premium gas leaf blowers. The included tapered and spread nozzles make clearing debris in all conditions easy, and IPX4 weather-resistant construction delivers protection from the elements. This quiet, lightweight, and compact electric leaf blower gets the job done faster and quieter than gas. Experience Power Beyond Belief without the noise, fuss, or fumes.