• Ball Speed – Up to 75 MPH.
• Ball Feed – Adjustable from one ball every 1-1/2 seconds to every 10 seconds.
• Spin Control – Heavy underspin to heavy topspin.
• Electronic Elevation Control – Ball trajectory is electronically adjustable from groundstroke to lob.
• 110 Ball Capacity
• Rechargeable Battery – Built-in battery provides up to four hours of playing time per charge.  Even more playing time is available with an optional External Battery Pack.
• Smart Battery Charger – Fully charges the battery overnight and shuts off automatically to prevent over-charging.  An optional smart/fast charger can charge the battery in less than six hours.
• Start-up Time Delay – Allows the player time to get to the other side of the net before balls begin shooting.
• Built-in Handle – Plus towing wheels to enhance portability.
• Built-in Oscillator – Delivers shots randomly across the court for hitting on the run.

Options

• 2-line Oscillator – Allows you to practice alternating forehand and backhand shots, or allows an instructor to automatically shoot to two lines of students. ($200)
• Two-button wireless remote – Starts and stops ball delivery, and controls side-to-side position of the ball throws.($200)

Wilson Portable Ball Machine $1,295