TBK-84 EA (Electronically Adjustable) has the function of remote control electronic lifting, which can switch the upright or flat mode with one button, which is convenient for discussion and teaching in upright or flat. The 84-inch screen display size allows teachers to conduct group teaching with a large number of people in a larger space, and students who are far away can also see it. And the spliced screen display can additionally support opening any software for use while opening anatomy software.