This easy-to-operate, portable ball tutor improves everything from groundstrokes to high hits! Easy-to-read dials adjust ball speed and feed rate, accommodates beginners to advanced players. Ball feed ranges from one ball per second to one ball per 10 seconds. The tutor features a start-up time delay, allowing players to get to the other side of the court before the balls shoot out. Adjustable trajectory for arc and height and holds up to 125 indoor or outdoor balls. A handle on top of the unit makes it convenient to carry anywhere. No assembly required. Rechargeable battery included, charge fully before use. 12"L x 18"W x 20"H; 22 lb.