The Tennis Tutor® Tower Club tennis ball machine comes with a two-function wireless remote control that lets you start and stop ball delivery, and also lets you position ball throws on the court by starting and stopping the oscillator function. The spin is adjustable from heavy underspin, to flat, to heavy topspin, and speed ranges from 10 to 85 mph.
Speed ranges from 10 to 85 mph
Spin is adjustable from heavy underspin, to flat, to heavy topspin
Ball feed (interval) control adjusts the time between shots from 1 1/2 to 8 seconds
Trajectory is adjustable between groundstroke and lob