Visualize your game and then analyze your skills with the innovative Sony Smart Tennis Sensor. Simply attach the sensor to the butt cap of a compatible frame to start recording and evaluating all of your shot data in real-time. Use the Smart Tennis Sensor app to look back at your play with reports that are automatically created. Use the Live Mode function to record your shot data with actual footage. Even without your smartphone, the sensor will store up to 12,000 shots within its internal memory for later import onto the app. The Sony Smart Tennis Sensor is compatible with Wilson®, HEAD®, Prince and Yonex® racquets.