It intergrates with transparent/opaque glass and projection system. It is a new solution to advertising media. The shop windows, besides acting as display screen, transparent glass or opaque partition, it can also be used for advertising by combining with projectors. It is a new type of advertising media. Without changing the function as windows, it turns the shop windows into a advertising media that displays in a variety of ways. It creates a considerable advertising revenue for users, especially the street shops.