Heater Sports PRO AUTO Ball Feeder Durable steel frame. Holds 12 baseballs (not included). Delivers a ball every 9 seconds. A/C power. For use with the Heater Sports&#153; Pro Curve Pitching Machine (Model HTR499BBNBF). For ages 8 and up. 1-year manufacturer's warranty on parts and labor. Model: HTR499BBBF. Made in China.