The FlightScope X2 is an example of how advanced technology is changing the way we think and how we approach coaching golfers. This unit is truly amazing - with its accuracy, ease of use, and the data it provides to the user. Whatever you knew, or thought you knew about the ball flight laws, after using FlightScope, will be an eye-opening experience, one that will either completely change your views about ball flight laws or at the very least enhance your understanding of them.