The visual intercom of community access control has many functions, such as call, intercom, call, display, monitoring, alarm, card swiping, defense area, information release, multimedia playback and so on. The product has the advantages of simple installation, flexible supporting, and compatible use of visual and non visual, which can well realize the security, convenience and standardization of community management.

Visual intercom has a long way to go. Intercom manufacturers extend their product lines around the smart community. In fact, a major factor is the change of the real estate industry. From the rapid development to the current narrow sales, visual manufacturers feel the urgent pressure to find new profit points. Smart community is a new field close to visual intercom, which is the inevitable result of the adjustment of national economic policies and the change of real estate market. As the development of smart community industry is in the initial stage and in the market cultivation stage, there is a long way to go for visual intercom enterprises. Visual intercom has advantages in the field of smart home. The construction of smart city has been strongly supported by the national strategy. We have accelerated the construction of broadband, integrated, secure and ubiquitous next-generation information network, and made breakthroughs in ultra-high speed optical fiber and wireless communication, Internet of things, cloud computing, digital virtual New generation information technologies such as advanced semiconductors and new displays are directly related to the development of security industry.

As the epitome of smart community, smart home is the extension and expansion of visual intercom. Visual intercom enterprises have inherent advantages in entering the field of smart home. The inherent advantages of visual intercom into smart home. In terms of market promotion, the engineering business channels accumulated by visual intercom manufacturers for many years, a large number of self built channels and the real estate business resources accumulated in the intercom "a purchase" market will undoubtedly become an important weight to boost the strength of the smart home market.