The SKLZ Bullet Speed Detection Training Ball accurately measures velocities up to 120 mph. Now there's no need for a radar gun that someone else has to point. The SKLZ Bullet Ball gives you your pitch speed automatically!

• Ideal pitching trainer for any age or skill level
• Accurately measures velocities up to 120 mph
• Gives pitch speed automatically
• Adjusts to distances from 46' to 60'
• One replaceable LR-41 mercury battery included