Description: Remote control: The portable tennis ball machine can be remotely controlled by a mobile phone, and the launch angle, ball speed, ball interval, and degree of rotation can be adjusted remotely. In addition, the pitch angle and horizontal angle of the ball can also be adjusted to achieve any landing point. Multiple Serving Modes: Five out of the ball modes, 29 out of the ball routes. Support fixed point serve, flat, topspin/backspin, horizontal/vertical swing, random ball. You can statistical analysis of batting numbers on your phone. The serving wheel has moderate hardness and will not hurt the ball. Large Capacity: The tennis ball launcher can hold about 150 tennis balls. An accurate and efficient feeding partner, you don't need to pick up the ball frequently, allowing you to practice as much as you want. Portable: This tennis thrower is designed with a telescopic rod, which is easy to pull and go, easy to use and carry. Suitable: Tennis thrower is suitable for beginners, kids, adults, this throwing machine is perfect for home, home, court, garage, park, backyard, driveway, garden tennis training. Specification: Material: PP Size Chart: 50cmx38cmx79.5cm/19.69inchx14.96inchx31.30inch Package Includes: 1 Tennis Ball Machine Note: Please allow slightly errors due to manual measurement and different monitors.