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Video doorbell introduction

June 03, 2022
Video Intercom

In China, as a convenient and practical product, the visual doorbell has been mainly used in commercial residential buildings since the late 1990s. The scale has developed rapidly and it has now entered the high-rise residential buildings in urban communities. When in use, the resident hears the ringtone, like the answering of the videophone, accepts the call from the host through the downstairs door host, and the video extension can receive the video image through the downstairs host camera, and the household observes the extension display. The monitor image on the screen confirms the identity of the visitor, and finally decides whether to press the unlock button of the indoor extension to open the electronically controlled door lock of the host connected to the door, allowing the visitor to open the door.

Video doorbell, used in one or more residential buildings, multiple households use a doorway host, commonly referred to as video intercom system, building video intercom system; and used in a single household, Such as a villa, it is often referred to as a single-door visual doorbell or a villa visual doorbell.

Video doorbells are now widely used in urban housing around the world, and its manufacturers are mainly concentrated in cities such as Shenzhen, Guangzhou, China, and Xiamen, Fujian Province, China, where the security industry is relatively developed.

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