4-digit LCD display
Auto power off in 2 minutes
Readings are accurate from 20 to 120 MPH
Regulation size and weight
Includes instruction booklet and distance string

The TronLink Laser Radar baseball utilizes hand-sensing technology that starts the countdown immediately when is leaves your hand and displays the speed instantly when the ball is caught. Simply press and the release the "Start" button to activate the ball to the "standby" mode ready for pitches. It offers a regulation size and weight and works with preset pitching distances of 20 ft, 30 ft, 40 ft, 46 ft, 50 ft, 60 1/2 ft, 70 ft, and 80 ft.