The supply of building intercom system, Shenzhen building intercom system sales, wholesale company of Shenzhen building intercom system:, Xinpeng An, Shenzhen City Electronics Co., Ltd. 
 Publisher: Chen Wenxi 
 Phone: 0755-29122522 
 Phone: 13510663229 

 Building intercom system as the last bulwark to protect the residential security, been hailed as the "patron saint" of home life. To buy the building intercom system for residential structures, residential distribution, and functional requirements to select some suitable for closed-end management of residential, to call, intercom and unlock functions, and with luminous instructions; for low-level to high-level residential structures; closed-end management of the district can use an indoor unit with a security alarm, according to their need to install a door magnet, infrared sensor, smoke alarm, gas leak alarm device. To facilitate the works for taking into account different user needs and economic conditions, extension of the visual system in color and black and white machine compatible, users can use color machine, can also choose black and white machine, intercom indoor unit can be selected without visual function; wiring, depending on the cell distribution, large system bus can be a star wiring and ring wiring. To solve the large system signal attenuation and amplification can be intelligent signal enhancement on the same cable and video duplex transmission pairs. The closed cell can also set the management center. Management center can store alarm history, at any time access to the alarm type, time and alarm households storied building number and room number, the Center can monitor and call the whole district and Loudong door.