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About product and suppliers:
        Alibaba.com offers 9,532 wireless door sensor products. About 55% of these are alarm, 4% are sensors. 

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

There are 9,573 wireless door sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 95%, 4%, and 1% of wireless door sensor respectively. 

Wireless door sensor products are most popular in Western Europe, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,368 with ISO9001, 429 with Other, and 367 with ISO14001 certification.
        
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