Description: Table Tennis Robot: Our table tennis robot hold approximately 100 ping pong balls. Ball out frequency: 20-90/minutes(manual speed control) Material: The Table Tennis Ball Machine is made of high quality stainless steel material, sturdy and durable, simple and easy to learn, and suitable for all kinds of people. Compact and Portable: Lightweight body, ping pong robot, easy to carry, suitable for indoors and outdoors. Easy To Install: The position of the machine can be adjusted according to your own preferences. Twist the frequency button, the modulation is best for the service rate. Wide Application: The Ping Pong Robot Trainer to improve your ping pong skills. Analog controls for ball speed, frequency and oscillation, strong & weak balls, high or low balls, adjust the position, it allows you to focus training and have fun with your teams, family and friends. Size Chart: 33cmx22.5cmx33cm/12.99inchx8.86inchx12.99inch 4.5cm/1.77inch Package Includes: 1 Table Tennis Machine, 1 USB Cable, 1 Remote Control, 1 Power Adapter