Weight (lbs.)
 Speed (MPH) Interval (secs.) Power Play Time # of Balls Oscillator Spin
 TENNIS TWIST
Battery  
11
 10-15 5 6 ‘D’ Cells 5-10 hrs. 28 no no
TENNIS CUBE
Tennis Cube   
22
 10-50 2-10 Battery 1.5-2 hrs. 70 no no
Tennis Cube w/oscillator
24
 10-50 2-10 Battery 1.5-2 hrs. 70 yes no
  TENNIS TUTOR ProLite
Basic Battery   27 10-60 1.5-10 Battery 2-3 hrs. 125 no no
w/ oscillation Battery   29 10-60 1.5-10 Battery 2-3 hrs. 125 yes no
  TENNIS TUTOR ProLite Plus
Plus Battery   38 10-75 1.5-10 Battery 3-4 hrs. 110 yes yes
  THE WILSON PORTABLE BALL MACHINE
Wilson   38 10-75 1.5-10 Battery 3-4 hrs. 110 yes yes
  TENNIS TUTOR
Tennis Tutor 42 10-85 1.5-10 Battery 4-6 hrs. 150 yes no
  TENNIS TUTOR PLUS
Tutor Plus 46 10-85 1.5-10 Battery 4-6 hrs. 150 yes yes
Plus Player 46 10-85 1.5-10 Battery 4-6 hrs. 150 yes yes
SHOTMAKER MINI
Standard Model 48-62 10-85 1.5-6 AC n/a 150 internal yes
Player Model 48-62 10-85 1.5-6 AC n/a 150 internal yes
Deluxe Model 48-62 10-85 1.5-6 AC n/a 150 internal yes
  TENNIS TOWER
Tower Classic 65 10-85 1.5-10 AC n/a 225 yes no
Tower 65 10-85 1.5-10 AC n/a 225 yes yes
Tower Player 65 10-85 1.5-10 AC n/a 225 yes yes
  TENNIS TOWER IO
Standard Model 72-85 10-85 1.5-6 AC or AC/DC n/a 225 internal yes
Player Model 72-85 10-85 1.5-6 AC or AC/DC n/a 225 internal yes
Deluxe Model 72-85 10-85 1.5-6 AC or AC/DC n/a 225 internal yes
  SHOTMAKER
Standard Model 96 10-95 1-6 AC n/a 300 internal yes
Deluxe Model 96 10-95 1-6 AC n/a 300 internal yes

All Tennis Tutor, Tennis Tower, Shotmaker & Wilson models also feature:

Adjustable trajectories from groundstroke to lob.

Built-in random oscillator (except Tennis Tutor ProLite Basic).

Selective Tennis Tutor and Tutor Plus models, and Tennis Tower Player also have a dual 2-line oscillator.