The Kobalt 40-Volt Max Brushless motor leaf blower. The turbine fan delivers powerful airflow of up to 520-CFM and 120-MPH to quickly clear leaves and debris with its durable brushless motor. Plus, it's lightweight, compact design keeps you comfortable while you work. The included 4.0Ah 40-volt max battery provides longer runtime, and with the variable-speed trigger with TURBO mode, you can customize power to match the job for maximum control. The included 4.0 Ah battery and charger are compatible with all Kobalt 40-volt max tools and are backed by a 5-year limited warranty on the tool and a 3-year limited warranty on the battery and charger.