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About product and suppliers:
        Alibaba.com offers 2,714 detecting doorbell products. About 58% of these are video door phone, 7% are doorbells. 

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

There are 2,714 detecting doorbell suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of detecting doorbell respectively. 

Detecting doorbell products are most popular in Western Europe, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 605 with ISO9001, 129 with Other, and 7 with ISO14001 certification.