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About product and suppliers:
        Alibaba.com offers 1,127 speed monitoring devices products. About 22% of these are navigation & gps, 1% are car black box. 

A wide variety of speed monitoring devices options are available to you, such as gps tracker, gps navigator, and gps receiver. You can also choose from automotive, hand held. As well as from touch screen, photo viewer, and bluetooth-enabled. And whether speed monitoring devices is black, or white. 

There are 1,127 speed monitoring devices suppliers, mainly located in Asia. The top supplying countries or regions are China, United States, and Japan, which supply 99%, 1%, and 1% of speed monitoring devices respectively. 

Speed monitoring devices products are most popular in Western Europe, South America, and North America. 

You can ensure product safety by selecting from certified suppliers, including 638 with ISO9001, 581 with Other, and 41 with ISO14001 certification.