Access control system intelligent home video intercom system _ landlord access

Intercom system is residential district residents and foreign visitors to the dialogue system, standardize the management of the district and community safety is important. With the improvement of living standards, more and more standardized management cell and rigorous, residential intercom system to fully improve the management of simplicity and convenience. Meanwhile residents accelerated pace of life, reduce the time between visits to friends and relatives, intercom system can give full play to the important role of security. Intercom is a modern well-off residential service measures to provide two-way video calls between visitors and residents, to images, voice recognition thus twofold increase security and reliability, while saving a lot of time and improve work efficiency. More importantly, once at the beginning of the door sensor installed in the home, infrared alarm detector, smoke detector exploration, gas alarms and other devices connected to the video intercom system after preservation-type indoor unit, video intercom system Upgrading a network security technology, it can residential property management center or guard cells wired or wireless communication and thus play a security, disaster prevention, security protection anti-gas leak, etc., for the safety of life and property owners to provide maximum degree of protection. Video intercom, used in a multi-residential buildings, multiple tenants share a door host, usually referred to as video intercom system, building visual intercom system; and the use of a single household , such as villas, commonly referred to as single-family villa doorbell or doorbell. Video intercom buildings abroad are mainly used in single apartment building or villa among so much networking video intercom system, video intercom system in the country is generally used for large residential area, many of the 1000, or even million cells, the number of households for higher capacity and stability requirements of networking, mainstream video intercom system is still using the RS-485 bus signal transmission, there is a tendency to digital development, domestic use TCP / IP capacity larger households video intercom system is gradually becoming more mature. Intercom currently in residence in cities around the world, has been widely used, its manufacturer focused on the security industry is relatively developed Guangdong Province, China, Shenzhen, Guangzhou, Xiamen, Fujian Province, Shaoguan and China, Fuzhou and other cities.