To the seasoned player, each smash and swing needs to be aimed with precision. There’s no room for error and definitely no room for sub – par performance! Tennis becomes more than just a game to such a player, as the strokes need to be executed with mathematical accuracy. The Champion Smart Tennis Sensor provides a convenient solution to these tennis buffs. By tracking your speed, swing along with the ability to replay your shots in Video Tracking Mode, you now decode each movement of your game with the tennis sensors revolutionary motion tracking algorithm. Time to embrace the game-changing technology of Champion!