With the portable, iPong Table Tennis Robot - Expert, you are sure to jumpstart your Table Tennis career. This is the simplest way to improve your skills even without a playing partner. This features a simple launching system that delivers a consistent ball trajectory. Just hit the ON/OFF switch to start, and you are all set. The innovative spiral-gravity design automatically feeds the balls, and eliminates ball-jams. This also holds approximately 20 balls, and is set with an easy-to-hit ball frequency (about 30 balls per minute). This enables practice of the fundamental forehand and backhand shots. Its small 12' x 7' size makes it the perfect travel companion that you can just pop in your bag. Simply add 4AA batteries (regular or rechargeable), and you are all set and ready to go. Get the iPong Table Tennis Robot - Expert now!