The Playmate iGenie Tennis Ball Machine lets you call the shots! This machine has something to offer all types of players. It is ideal for teaching tennis to groups of students and to the individual player. The iGENIE Ball Machine for Club Members:The iGENIE ball machine is the easiest machine to use. Just select a Player Level and Select Shots to play. Or, don’t select anything and it will start feeding an Easy Rally Ball straight ahead.The iGENIE Ball Machine for the Pro:Creating drills for groups is easy. Select a Player Level and then Select Shots in order. For example, hit Medium Player level, and then hit High Short Ball two times and then hit Lob two times. On the picture of the tennis court, Set Directions for a 2-line drill by pressing the button left of center and then the button right of center. That’s it! You have a 2-line group drill.Features:10 Distinct Programmable Shots10 Shot DelaysProgrammable Random Shot SequenceHolds 300 BallsVariable Topspin and BackspiniNTELLIGENT Direction Patterns with Programmable RandomVariable Electronic HeightUser-friendly ControllerCompatible with the Playmate Serve Lift2 Function Remote Control (On/Off with drill reset)3 Year Limited Parts WarrantyAdvanced Features:When using the iGENIE ball machine, you can leave the lower door of the remote box closed. However if you would like to access more advanced features like Random you can simply open the lower door. By lowering the bottom door you gain the ability to adjust the height, speed, spin, and delay of the shot.Includes iPhone/iPad Support:Want to do more with your ball machine? No problem, the iGENIE ball machine includes iPLAYMATE Tennis for iPhone and iPad support. Create drills, save drills, track workouts, and compare results with others. Learn more about the included iPLAYMATE Tennis features.The Playmate iGenie Tennis Ball Machine is also compatible with the Playmate iSmash controller.