4D Motion for Golf is the most advanced, flexible, yet easy-to-use motion capture system for body and club. Get real-time biofeedback, 3D visualization & tools, and how-to videos from the top coaches in golf to help you bring your game to the next level. 4D Motion’s wireless technology also provides the portability allows you to train anywhere – on the range, at home, or even on the course – with just an iPhone or iPad.