SKLZ Lightning Bolt Pitching Machine Pro Automatically pitches soft practice balls 25 feet at 35 miles per hour with realistic flight 5-second delay between pitches to offer solid repetition training Angle adjusts for different pitching locations Includes 12 soft micro Bolt Balls with a 5.125 inch circumference and 0.2 ounce weight Included Shagger holds up to 26 balls at a time. Please refer the Instructional Manual before use.