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About product and suppliers:
            2,970 wireless video door phone products are offered for sale by suppliers on Alibaba.com, of which smart security devices accounts for 60%, access control system accounts for 1%, and audio door phone accounts for 1%. 

A wide variety of wireless video door phone options are available to you, such as built-in camera, time & attendance, and night vision. You can also choose from 1920 x 1080, 1280 x 720, and 1280 x 960 wireless video door phone, as well as from cloud, memory card wireless video door phone

There are 2,170 suppliers who sells wireless video door phone on Alibaba.com, mainly located in Asia. The top countries of suppliers are South Korea, China, and Taiwan, China, from which the percentage of wireless video door phone supply is 1%, 97%, and 1% respectively.