The big screen in front of the meeting is called the meeting big screen. The large-screen conference display screen is an intelligent interactive touch integrated machine for independent innovation, meeting office of new technology companies, study and training, remote control of conferences and other places. It integrates many functions such as computer, projector, TV, interactive whiteboard, lcd advertising machine, speaker and so on, and can realize a comprehensive all-in-one machine in various application fields. It is also convenient for those who can't attend the meeting.