A tennis ball machine for professional players needs high speed (also with spin), many features even programming, real random balls (not predictable), maximal (battery) power and easy to control. The Powershot 3 NG has all and so the best machine for professional players for only € 2250,-!
The Powershot Tennismash 1 ball machine is a cheap tennis ball machine that also can be used for Paddle (Padel). The ball machine is controlled by a nice app for Android or iPhone. A reliable and good ball machine for private trainings!