Product details:

Openbox, sent out and returned, good condition, works perfectly 3 Bays White GSA Zone Swing Analyzer with Advanced Motion Sensor to Improve Game. Every golfer wants to shoot lower scores. But evolving your game takes more than just practice. It takes practicing right. 3Bays uses advanced motion sensors to digitize every element of your swing, then instantly delivers 3D playback to improve every aspect of your game. 3Bays 9 axis putting sensor captures even the most subtle movement so you can uncover the science behind your stroke and sink more putts. This game-changing device can help any golfer increase consistency and confidence while cutting strokes off your scorecard. Beginners: Tips from the pros quickly teach you the fundementals of golf. Easy to understand stats that matter and swing playback.Economical, coaching alternative that doesn't effect your swing. Amateurs Illuminate every aspect of your swing to cure those nasty habits. Hit it further with top-of-backswing and power release indicators. Be more consistent by tracking and comparing every swing. Professionals and Coaches Real-time data gives you a competitive advantage. The world's lightest sensor keeps your swing true to form. Track progress and set after-lesson training programs. Available in 9 different languages.