Lightweight and portable . the SKLZ Lighting Bolt Pro Automatic Pitching Machine is the perfect training tool to help players improve contact at the plate. The pitching machine automatically pitches 26 soft practice balls at 30 mph every 5 seconds. Designed to be adjustable . the training aid can be positioned at different pitching locations to build hand-eye coordination. Through focusing on soft micro balls . batters will be forced to work on the visual processing . concentration . and hand-eye coordination that makes hitters great. The training aid holds up to 26 balls at a time and includes 12 Bolt Balls. The Lighting Bolt Pro is powered by an AC adaptor or 6 C batteries (batteries not included). By adding a Quick Stick bat . ballplayers of all levels will be challenged even more.