Cage Dimensions: 22ft L x 12ft W x 10ft H * PowerAlley features a solid fiberglass frame, 1 1/4in polyethylene netting, steel ground stakes, nylon support ropes, and a built-in pitching machine harness * Variable speed control and dual bearing electric motor pitch baseballs up to 45 mph * Automatic feeder holds up to 12 balls and delivers a pitch every 10 seconds * BaseHit Pitching Machine includes 1 poly pitching machine baseball for perfect baseball accuracy. Also pitches regulation baseballs and lite-balls (sold separately)