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About product and suppliers:
        Alibaba.com offers 14,084 intercom doorbell products. About 75% of these are video door phone, 11% are doorbells. 

A wide variety of intercom doorbell options are available to you, such as plug, battery. You can also choose from free samples, paid samples. 

There are 14,084 intercom doorbell suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of intercom doorbell respectively. 

Intercom doorbell products are most popular in Western Europe, North America, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,881 with ISO9001, 697 with Other, and 46 with ISO14001 certification.