Devices such as video intercoms differ from audio intercoms in that they transmit both sound and video information. During the installation of an additional CCTV camera, you can get a fairly wide view of the entire surrounding area. Of course, you can also organize permanent video recording and many other additional security functions. If you are looking for a nitrogen reducer, then you should follow the link below.
The main components of the video intercom equipment are a video monitor together with a calling device (door panel). Functional various possibilities of such components provide all the variety to choose from.
The video intercom works as follows: the user presses the button of the call panel, then as a result of this, an audio signal is received, as well as a video signal from the built-in video camera, which then goes to the video monitor. The owner of the house hears a call, and then sees the image on his monitor.
Intercom monitors differ:
– behind the type of video signal – black and white or color;
– behind the presence of a tube – a model that has a tube and which is without a tube;
– for dimensions, as well as screen resolution;
– behind the capacity of the memory block (preservation of a certain number of personnel);
– For the possibilities of connecting video cameras.