A powerful tool for enhancing ball recognition skills. Realistic game situations with up to 7 shots can be practiced. * Groups of students can practice drills such as ground-stroke, approach, lob to 2 lines feeding the balls every 1½ seconds. Or if at home, you can throw 2 ground strokes followed by an approach shot followed by a volley followed by a lob. * You can purchase this machine now and buy an upgrade later that will turn it into the ultimate ball machine, the PLAYMATE PC. * Holds 300 balls. * 3 Year Limited Parts Warranty.