(1) DCBL770X1 Air Blower. (1) Concentrator Attachment. (1) 60V MAX 3Ah Battery. (1) Charger. Powers through debris at up to 423 CFM of air volume at 129 MPH.. Flat concentrator nozzle increases air speeds to 175 MPH to power through stubborn debris. High-efficiency brushless motor maximizes run time and motor life. Variable speed trigger and speed lock for total power control. Lightweight and ergonomic design maximizes control and minimizes stress on your arm. Designed to withstand everyday heav