Video door phone
Video call for a front door in an apartment. Video door phone. : Video Door Phone
Quote from Article entitled Video call for a front door in an apartment. Video door phone.:
An access panel is equipped with a button and a video camera recording everything happening in front of your front door. It is made of vandal-proof materials to protect it from the influence of the environment and malicious actions of visitors. Depending on functional characteristics of the device, it may additionally have a speaker, a microphone and an infrared emitter.
The full version of the article can be found here.