1. Well-tested by the market;

2. Mounted on the top, the same set of equipment supports both left and right handballers to play on the same court;

3. One-piece design, dual calibration mechanism to ensure the calibration accuracy of sensor parameters;

4. The ball can be sensed in a large area, so players do not need to deliberately swing the ball;

5. The installation height range is wide, and the floor height can be installed from 2.8 to 3.3 meters;

6. Support various special styles of play, such as: super high throw, super short cut, etc.;

7. Built-in infrared LED light source, stable performance, free from external light interference;