The PRGR Portable Launch Monitor is the perfect addition to any SuperSpeed Golf Training Package. It is an affordable and super-accurate Doppler Radar-based pocket-size portable launch monitor that is incredibly easy to use. It provides you with Swing Speed, Ball Speed, Carry Distance, Total Distance, and Smash Factor for each club. With this simple device, you are not only able to measure your swing data with a golf club, but also with any of the SuperSpeed Golf Training Clubs.