The Elite Battery-Powered Tennis Ball Machine is designed to test your forehand and backhand with a variety of random horizontal oscillation. The full corner-to-corner sweep of the Elite One will challenge a wide range of players from advanced to beginners alike. Designed for maximum durability, the battery operated Elite offers an unparalleled 4-8 hours of court time. Its unique design allows for easy transportation to and from your tennis court. The Eliteâ€s 80 mph ground strokes, full corner-to-corner random oscillation, sky-high lobs, and heavy spin will help develop your game.