Video surveillance system: devices and their work
Dear models of video intercoms, equipped with spotlights. Which allows you to conduct video control over the viewed area in complete darkness. If the video intercom that you chose is equipped with a special electromagnetic lock, then you can use the function of remote opening of the door.
But still, most of the models of video intercoms, unfortunately their owners, cannot record everything that is happening on their landing during their absence. Therefore, more and more consumers choose a full -fledged video surveillance system.
What is the principle of operation of the video surveillance system? One of the simplest options is to use a video eye (video camera), which is installed instead of the usual. And at the same time does not differ from him, respectively, and does not pay attention.