With the development of the economy and the gradual improvement of national living standards, people have a higher pursuit of quality of life, which makes color visual building intercom products ushered in the spring of development. Nowadays, building intercom continues to develop in the direction of integration, intelligence and information. The smooth completion and use of our company's visual building intercom project in Zhuhai Liangcun residential community not only enhances the security of high-rise residential work, but also greatly facilitates the residents, reduces a lot of unnecessary trouble, and makes communication more convenient, fast, safe and reliable.