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.:
When you select a device there is a number of technical characteristics that are worth paying attention to.Angle of camera view. The more it is, the more complete picture of what is happening at a front door you can get.Memory capacity for recording. The call device with a camera has internal storage and a slot for a memory card.Number of additional applied elements. This feature is very important to expand the capabilities of the system. Thus, in some devices there is the possibility of connecting to a receiver and up to 4 cameras.
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