It has quick and easy speed adjustment and throws from 20-104 mph. It's portable and easy to move and set up. One person can remove the legs and load JUGS into the trunk of a car. Its patented gooseneck design provides full range of movement to adjust for all types of pitches, including fastballs, curves, sliders and split-finger fastballs. Swivel-design base casting provides 360 degree movement for fly balls, ground balls, and pop-ups.