Nowadays, almost every person thinks about measures that must be undertaken for the safety of their own life, housing, work space, etc. Among such measures, the most acceptable and simple solution is the acquisition and installation of a video intercom.
A modern color video intercom makes it possible to make visual control of the territory in front of the front door, protect yourself from unwanted visitors, and also, without leaving the premises, provide access to the guests of your house.
Before buying a color video intercom, you should know its principle of action, varieties, as well as all the advantages and disadvantages of the interested model.
The principle of operation of the device
The video intercom is a high -tech device consisting of an internal unit with a color monitor to which the image is transmitted from the chamber of the external module. Modern devices of remote control over access to the dwelling consist of two parts: the internal block and the external call panel. The block, which is installed directly in the apartment consists of:
Widespread color screen, with TFT, LCD or IPS matrix, with a diagonal of 4 to 10 inches.
Dynamics.
Built -in microphone.
Control panels with remote control buttons of a locking mechanism, switching modes and surveillance chambers, as well as the inclusion of a sympyed negotiation device.
The external call panel includes the subscriber call button, at the same time on which the high -resolution camcorder is turned on.
How to choose a video interference for an apartment
When you come to the store to buy an access control device, you must be prepared for the fact that there are hundreds of different models that differ from each other not only by cost, but also by technical characteristics, among which, you need to pay attention to the following:
A method of transmitting a signal between a calling panel and a monitor. It is preferable, although more expensive, is a wireless option.
Execution of the subscriber call panel. If this device will be mounted at the entrance to the entrance of the house, then you should pay attention to the panel in the anti -vandal design.
Execution of the inner block. Today, almost all modern internal modules are made in the solution “Free Hands”.
Functionality. It is very good if the access control device you have chosen to be able to connect several cameras, call panels, will be equipped with a recording function and an energy -dependent memory.
Particular attention should be paid to the video intercom with a record, since such a model will allow you to record and control the arrival of visitors, even at the moments of your absence. If you are often outside the house, then select a video model of the video intercom with the possibility of broadcasting an Android device using the World Wide Web