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.

With the rapid development of science and technology, as a digital device integrating conference, data processing, communication and collaboration functions, the application of smart conference tablet in the industry has become more and more common, and it continues to play an indispensable role。