Compact for exceptional portability. Features 2-line function that automatically shoots to 2 preset court positions (2-line narrow and 2-line wide), counter-rotating wheel operation and anti-jam ball feeding mechanism, plus 10-sec start-up time delay allows player to get to the other side of the net. Groundstroke to lob trajectories, ball ejection speeds 10-85 mph, 1.5-12 sec. ball feed rate. Built-in oscillator. 4-6 hours court time heavy duty battery (typical). Holds 150 balls.