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About product and suppliers:
        Alibaba.com offers 24,027 video door phone products. About 79% of these are video door phone, 3% are access control system, and 1% are voip products. 

A wide variety of video door phone options are available to you, such as paid samples, free samples. 

There are 23,813 video door phone suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 97%, 1%, and 1% of video door phone respectively. 

Video door phone products are most popular in Western Europe, North America, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 5,843 with ISO9001, 711 with Other, and 109 with ISO14001 certification.