The moisture meter can quickly measure the moisture content of the grain. 1. You can attach the robot to the edge of the table and perform exercises on the remote desktop. 2. Special Pong: shows the frequency of hits and the degree of rotation. 3. Connecting shaft: ensure the consistency of the ball trajectory. 4. Buffer Spring: The ball bounces quickly to ensure continuity. 5. Base: fixed position to meet different requirements of practice. Please allow slight dimension error due to manual measurement. 1 x winding stem extender bag (about 100 pieces) You can attach the robot to the edge of the table and perform exercises on the remote desktop. Special Pong: showing the frequency of hits and the degree of rotation. Connecting shaft: ensure the consistency of the ball trajectory. Buffer spring: The ball hit bounces quickly to ensure continuity. Base: fixed position to meet different requirements of practice. Please allow slight dimension error due to manual measurement. Material: PVC universal rod Color: as shown in the picture Size: clip thickness-5.5 cm or 2,2 inch length-47 cm or 18,5 inch Weight: approx. 200g Application and function: To help practitioners improve the accuracy of self-discipline to avoid a dry sense of training time without weapons, and can also significantly shorten the training process of the athlete, hitting the stereotypes of actions. Especially suitable for training the "dynamic stereotype" of forhend and bekhendu. To help beginners master the rotation of balls resulting from hitting different parts and directions. To help you create a comprehensive attack and step-by-step training plan by placing multiple robots at different points on the table. List of packages: 1 x training robot In camera mode, briefly press the power button once, the blue light flashes three times, then turns on, and the device vibrates once, stops the camera and automatically saves the file in AVI format and goes into the ready stateci.B.