Hit baseballs all you want with the Heater Pro Curve Pitching Machine Auto Baseball Feeder. It can hold up to 12 baseballs at a time, and deliver a ball every 9 seconds; so you can practice anytime, anywhere, even without a partner. It is made of a heavy duty steel frame which makes this pitching machine feeder durable, and can last for years. It is conveniently powered by plugging the device into the motor end cap of the Heater Pro Curve Pitching Machine. Get the most out of your spare time with the Heater Pro Curve Pitching Machine Auto Baseball Feeder.