Measures Speeds up to 120 MPH!<UL><LI>Press start, throw the ball, and the LCD indicator displays pitch speed in MPH upon impact<LI>Official size and weight of a regulation baseball, but used as a training aid for any age or skill level<LI>Measure distance between pitcher and catcher with included measuring string and choose one of eight predetermined distances (20-80 Feet) into Speed Sensor<LI>GripSense technology begins to record the speed automatically the moment the ball is released<LI>For throwing only, not to be hit with a bat or on hard surfaces</UL>