The Robo-Pong 2040 - great ping-pong robot to improve your game or for family fun! This model has analog controls to adjust ball speed, frequency and oscillation. Available spins: topspin, backspin, left sidespin, right sidespin, combination spin. Available shot selection: push, chop, serve, counter, lob, fast loop. Head angle adjustments: from low (serves) to high (lobs). The Robo-Pong 2040 includes Ball Thrower w/oscillation, Recycling Net System w/side nets to capture your returns and recycle the balls for non-stop action, Analog Control Panel, 4 Dozen Orange 40mm Robo-Balls, Set-Up DVD and Training Manual.