Introducing the DCK 20V MAX* Brushless Cordless Blower. It comes with 20V MAX / 4.0Ah × 1 4.0Ah × 2 / 5.0Ah × 2 battery options and is available as a bare tool. The blower offers three speed settings: low (11000 RPM), middle (15000RPM), and high (18000RPM). It provides air volumes of 67CFM, 90 CFM, and 110 CFM - respectively. With a net weight ranging from 4.2lbs to 2.8lbs, it is lightweight and easy to handle. The blower also features a brushless motor for improved performance, longer runtime, and increased durability. Its outer rotor motor design with multiple fan blades enhances air volume output by 20%. The powerful motor and turbofan design deliver impressive performance.