In the past, the traditional posters of stores had to be designed and printed whenever the stores needed to replace new products, resulting in a waste of resources. Moreover, they were monotonous. If the light was poor, it was not obvious, so customers didn't pay attention when they passed by. However, LCD display are different. They are colorful and can be switched automatically without printing. They are designed to be used in multiple stores, not to mention other advantages. This advantage alone has brought enough cost savings and convenient use to businesses. cheap, Hd Digital Signage, Freestanding Digital Signage, Storefront Digital Signage,Outdoor Digital Signage Totem. We are always looking forward to forming successful business relationships with new clients around the world. The product will supply to all over the world, such as Europe, America, Australia,Switzerland, Cannes,Karachi, Bogota.Practicality: convenience and practicality are the core design concept of intelligent multimedia classroom solution. Only simple operation, practical function and good effect can improve the efficiency of teaching and learning. This scheme has less construction quantity and short construction period. The integrated intelligent touch and power amplifier sound are adopted, which does not need to be rewired and does not damage the original classroom pattern.