Throws any type of ball, hard balls, fast pitch softballs, dimple balls, light flight, plastic and even soccer and volleyballs. Throws hard balls from 18 to 45 mph with easy to adjust speed controls. And throws light flight and plastic balls up to 60 mph. Throws a level pitch to help teach proper swing mechanics. Extremely accurate for throwing strikes, fly balls and even grounders. It is completely manual, needs no electricity or batteries and is light weight and easy to move from field to field, weighs less than 25 lbs. Great to set up to use for a variety of drills