Feature: 1. Table tennis serving machine to configure the wired remote control to allow you to better operate the use of various function. 2. Analog controls for ball speed, frequency and oscillation, easy to adjust the position, allows you to focus on ball training. 3. Different spinning gears can be used to create different spinning balls, falling point is not fixed, adjust freely by yourself. 4. Easy to install and use with the instruction, hold approximately 120 ping-pong balls for convenient training. 5. Great accessory for daily training and having fun with your partners, suitable for indoor or outdoor use. Specification: Specifications: Material: PVC Color: Black Rated Current: 36W Serving Frequency: 32-80/Min Serving Speed: 4-40m/s Minimum Ball Capacity: 120 balls Maximum Ball Capacity: 10 balls Point of Fall: Random Rotation: Topspin, underspin, non-rotation, left and right side rotation Item Weight: 4kg / 8.8lb . Package List: 1 * Pong Ball Machine Robot Note: 1. The pong balls are not included. 2. Children must use the robot correctly by the guide of adults or parents. 3. Please use the standard balls and do not use the balls that are too soft or irregular to avoid clamping balls. 4. Please clean the ball groove regularly to avoid clamping balls, because the force of friction of the ball groove will increase by using it. 5. Please clean the new balls with clear water or cleaning agent and dry them before you use them. And clean the balls and the ball groove termly to keep the machine clean and reduce the failure. 6. Please add the balls to the storage tube when the machine is off to avoid clamping balls. 7. If you do not use the robot in a long time, please clean it up and with good storage bag.