Details And Description:1. Item: Table Tennis Trainer Robot. 2. Max Clamp Size: About 5.5 Cm / 2.17 Inch, And Table Tennis Table Thickness Is About 4 Cm / 1.57 Inch. So It Will Fit Most Of Table Tennis Table. 3. There Is No Logo On The Ball, Please Kindly Understand Types:1. Sucker Base Straight Type, You Can Put The Robot On The Position Of Any Point Of Table. Fit For Central Table Position Stroking Practice. 2. Clamp Base Straight Type, You Can Fix The Robot On The Edge Of Table, Fit For Close-To-Table Stroking Practice. 3. Sucker Base Goose Type, You Can Put The Robot On The Position Of Any Point Of Table. Fit For Central Table Position Stroking Practice. 4. Clamp Base Goose Type, You Can Fix The Robot On The Edge Of Table, Fit For Long Distance Over Table Stroking Practice. Features:1. The Special Pingpong: Showing Hit Rate And Degree Of Rotation. 2. The Connecting Shaft: Ensure The Consistency Of The Ball Trajectory; 3. The Buffer Spring: Hitting The Ball Quickly Rebound To Ensure Continuity; 4. The Base: Fixed Position To Meet Different Demands Of Practice. Application And Function:1. To Help Practitioners Improve The Accuracy Of Self-Discipline, To Avoid Dry Sense Of Unarmed Training Time, And It Can Greatly Shortened The Training Process Of Athlete Stereotypes Hitting Actions, Especially Good For Forehand And Backhand Stroking Ball Dynamic Stereotype Training. 2. To Help Beginners Master The Rotation Of Balls Resulted By Strokes On Different Parts And Directions. 3. To Help Make Comprehensive Training Plan Of Attacking And Foot Steps Movement By Fix The Multiple Robots On The Different Points Of The Table. 4. Size ( Approx. ): Table Sucker Diameter 6.5 Cm / 2.56 Inch, Maximum Length 47 Cm / 18.50 Inch 5. Feature: Stability, Rapid Rebound, Convenient Training