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About product and suppliers:
        Alibaba.com offers 4,161 wifi door sensor products. About 33% of these are alarm, 9% are remote control switches, and 1% are wall switches. 

A wide variety of wifi door sensor options are available to you, such as door, personal, and auto. You can also choose from free samples, paid samples. 

There are 4,174 wifi door sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Turkey, which supply 99%, 1%, and 1% of wifi door sensor respectively. 

Wifi door sensor products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,557 with ISO9001, 395 with Other, and 275 with ISO14001 certification.