The PowerAlley Auto Ball Feeder attaches to both the PowerAlley Lite-ball Pitching Machine and the PowerAlley PRO Pitching Machine. Able to hold 12 baseballs, the PowerAlley Ball Feeder delivers a ball every 9 seconds allowing you to hit basballs anytime you want all by yourself. Features Holds 12 Regulation Size Baseballs Fits Both the PowerAlley Lite &PowerAlley Real Baseball Pitching Machines Delivers a Ball Every 9 Seconds Specification: Dimension - 12 x 12 x 12 in. Item Weight - 5.4lbs. - SKU: HTRSP030 The Heater Sports Power Alley Auto-Ball Feeder Attachment is ideal for folks looking for a replacement or an upgrade to their existing pitching machine. This easy-to-install feeder fits botht he PowerAlley Lite and Power Alley Real Baseball Pitching Machines and can hold up to 12 baseballs within its black spiral frame. The unique design delivers a new ball every 9 seconds to give players plenty of time to get ready for that next monster swing.