| Feature: 1. Multifunction: This case uses black plastic and black metal cover plate, the whole machine eco protection material. Support physical booth, comparative explanation, PPT, desktop, video, scanning management, PIP and other seven functions, for teachers to choose to use. 2. Round Edge Design of the Whole Machine: This machine in the appearance design, round edge treatment is used around, installed in the classroom, students chase after class, can prevent injury safety accidents. 3. Magnetic Opening and Closing Door: The door bracket adopts magnetic and damping opening closing, non pneumatic bar linkage, to prevent the bracket from opening and falling, to protect the safety of teachers … | |