Franklin Sports Gravity Feed Batting Trainer Assembled size: 33" X 30" X 82", Spiral bal feeder holds up to 9 balls Ball automatically releases every 5 seconds, Adjustable height easily adjusts for reload-works with all baseball types Portable lightweight design, Bat and baseballs sold separately, for ages 7 to adult Operates on 2 "AA" size alkaline batteries-NOT included Optional power adapter sold separately under item No.14948Z1