Throws the NEW JUGS Polyurethane-Foam 5-in./0.5-oz. SMALL-BALL. Heavy-duty steel construction. Adjustable legs for realistic delivery height for both baseball and softball. Portable and light-weight -- weighs only 23 lbs. Simulates speeds up to 75 mph. Throws fastballs curves grounders and fly balls. Manual and automatic feed: 25-ball feeder releases ball every 5 seconds. Teachs hitter to track ball from release zoneto impact zone. Help hitter improve depth perception by keeping head still and eyes level. Operates on standard 110-volt AC..