The HiKOKI RB18DC Blower comes with variable speed trigger and three air volume settings for total control. There is also a lock-on button for continuous use. Its optimized air duct structure provides the best in class air volume, allowing the user to get the job done more quickly. Bare Unit, NO battery or charger supplied. Specifications: Air Volume Flow (without nozzle): 0 - 3.5m3/min.Max. Air Velocity (with nozzle): 95m/s.Average Air Velocity (with nozzle): 78m/s.Overall Length: 490mm. Ref: UTTK1733