‎14.96 x 14.96 x 15.75 inches

Suz table tennis robots is designed to work properly when at least 20 balls are available in the storage tube. If the machine does not serve properly, make sure that there are enough balls in the storage tube and the ball frequency on control box is at least 1
Adjust robot head up and down, you can play direct serve or indirect serve. how to adjust robot head up and down can send us message for video. If you would like to play direct serve (i.e., the served ball bounces one time on the table before you hit the ball), set topspin to 6 and backspin to 2 or 3 on the control box. If you would like to play indirect serve (i.e., the served ball bounces two times on the table before you hit the ball), set topspin to 4 and backspin to 3 on the control box
If balls come out very weak and cannot go over the net. please check installation Step 3, put the USB out and plug in again. Set topspin to 4 and backspin to 3 on the control box and see if ok