Heater Sports Heater Real 12 inch Slow Pitch Softball Baseball Pitching Machine with Ball Feeder  The Heater Softball Pitching Machine from Heater Sports pitches fast and slow-pitch softballs at an affordable price. The powerful 1/4 horsepower motor throws 12” softballs at variable speeds of up to 52 miles per hour. The auto-ball feeder delivers a softball every 10 seconds. Take batting practice without the need for another player. And with a simple tilt adjustment, you can also catch grounders and fly-balls. Plug the Heater into any standard wall outlet or third-party battery packs may be available for convenience. You may also consider the optional PowerAlley or Xtender Home Batting Cages and improve your hitting right in your own backyard.