Trend Sports STARTING PITCHER AND POWER ALLEY CAGE For ages 8 years to adult. 30-day manufacturer's money-back guarantee - one-year manufacturer's warranty. Pivot head design pitches curve balls. Fully enclosed wheel provides maximum safety. Automatic ball feeder holds 12 balls and pitches one ball every 9 seconds. Tripod legs with rubber tips for stability. Uses standard A/C power. Fiberglass poles assemble quickly while adding strength and stability. 1-in nylon netting is durable and strong. Steel ground stakes provide rugged support. Built-in harness connects easily to pitching machine. Dimensions: L 22 ft; W 12 ft; H 10 ft.