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About product and suppliers:
        Alibaba.com offers 903 motion detection devices products. About 34% of these are cctv camera, 18% are navigation & gps, and 5% are alarm. 

A wide variety of motion detection devices options are available to you, such as free samples, paid samples. 

There are 911 motion detection devices suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 99%, 1%, and 1% of motion detection devices respectively. 

Motion detection devices products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 409 with Other, 134 with ISO9001, and 30 with ISO14001 certification.