M-Pro is an intelligent dance screen that is simple and quick to build and debug for the stage rental site. In view of the problems of cumbersome operation of LED screen and complicated installation and splicing, through subversive design, the world's first high-precision fast radian lock has been created, which can be spliced to complete radian and straight edge splicing in only 1 second and 2 steps. After its introduction, it aroused strong resonance in the industry. The product effectively reduces the transportation and installation costs of customers, saves the construction time of stage rental activities, reduces 50% manpower and material resources, and creates greater commercial value for customers.