In order to improve your baseball or softball game, you need to practice often and analyze your performance thoroughly. The Smash Pro Smart Baseball Swing Analyzer can help you do just that. It is a smart sensor that attaches to your bat and sends data to your iOS or Android device. The device measures hitting swing speed, time to impact, and angle.
You will be able to view 3D swing simulation and video on your smartphone to monitor your performance and find areas to improve upon. More info is available here.