Help Point Apartment IP Door Phone Audio Door Phone for 2 Family

Audio door telephone When a visitor arrives, whether the resident is at home, in the office or on business trip, the door can be opened by remote control through the telephone or mobile phone. The audio door telephone device is the product upgrade of the traditional intercom access control system. It does not need wiring and is easy to install and maintain. It can use both local telephone lines and internal extension lines.

The audio door telephone extension is a kind of intercom, which is generally used to talk to the host computer. However, the current Huhutong building intercom system is combined with the host computer to form an internal telephone system that can complete the telephone contact of individual users in the system. It is divided into visual extension and non-visual extension. It has the electric lock control function and monitoring function, and is generally installed at the door of the user's home, which is mainly convenient for the residents to talk with the visitors.

The main function of UPS power supply is to keep the building intercom system from power failure. Under normal conditions, it is in the state of charging. When the power is cut off, the UPS power supply is in the state of supplying power to the system. At present, the manufacturer of the building intercom system is generally different from the UPS battery. The main reason is that the power consumption of the visual system is too large, and the general small-capacity UPS battery can not guarantee the use time!