SyncaSwing - The Ultimate Golf Swing Analyzer Lightweight and durable design helps to analyze your swing timing using microcomputer technology to synchronize your swing Easy to operate and will attach to any club shaft Use it on the course, range or at home to help make your swing more consistent 90-day manufacturer warranty Includes SyncaSwing, carrying case, interactive software on CD, instructional DVD, manual, 6-inch USB download cable, two 3V batteries