OptiShot Home Golf Simulator w/ 18 FREE Callaway HX Practice Balls Pinpoint Accurate Swing Analysis - Tracks club speed, angle, path, distance and contact Amazing Simulation Experience - Up to 4 players, hit every shot from tee to green, practice shots from anywhere Instant Feedback - Feedback is provided after every shot to ensure you correct your mistakes AMAZING Value - $50,000.00 simulator technology for just $399.95 FREE 18 Callaway HX Practice Balls with EVERY order!