What is the name of this device or similar type of device?
While I can’t provide the specific name to the device you show, I can tell you that it has many uses, one of which is improving hand to eye coordination. A company called Dynavision makes a very similar product called D2(Dynavsion Dynamic Motor) that is used in sports training and rehabilitation.
Listed benefits of it are:
It’s easy to see why a boxer would seek out this type of training device, as it can be used to improve his boxing abilities.