The working principle of the door videophone
Video call for a front door in an apartment. Video door phone. : The Working Principle Of The Door Videophone
Quote from Article entitled Video call for a front door in an apartment. Video door phone.:
In addition, you can connect several cameras and put another home panel. Additional monitoring devices will provide a picture of "dead zones", which are not visible from the main device. It makes sense to install another monitor in the two-storey or just big houses.
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