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About product and suppliers:
        Alibaba.com offers 3,384 detecting doorbell products. About 5% of these are doorbells. 

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

There are 3,384 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 North America, Western Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 459 with ISO9001, 151 with Other, and 17 with BSCI certification.