Compared with the projection screens and blackboards used in traditional conference spaces, the smart interactive whiteboard has significant advantages, and it is also a key tool for enterprises to realize the transformation and upgrading from traditional to digital.

The advertising machine can store a large amount of information, and can also spread advertisements through the Internet and other forms. Elevator information release advertisements have strong impact of advertising screens, strong ability to select audiences, high arrival rate, long display time, can be read repeatedly, and carry a large amount of information, low media costs, and have print advertisements and video advertisements.