About Tron Link
Measure the football speed right after the player kicked it.
Big LCD screen for showing the measured speed.
Easy to use: just put it on the ground, kick the ball, and then the speed is displayed.
Height and angle of the device is adjustable.
Fun for young kids to play competition game of kick power.
Full-color manual which is educational enough to explain how it works.
3 x AA/LR61 (not included)