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Vandal-proof outdoor panel is used, first of all, to connect by the talk part of the panel between two users which are separated by the door of object under security, private house or office. It has higher wear-resistant surface from the scratching by the metallic subjects. The user that stays inside the room has a possibility to observe the surrounding in front of the outdoor panel by the help of built-in camera.
In the Internet there are a lot of articles about intercoms that include recommendations, analysis of its work and distinctive features.
