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About product and suppliers:
        Alibaba.com offers 174,182 motion sensor products. About 7% of these are sensors, 6% are alarm, and 5% are night lights. 

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

There are 173,842 motion sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 99%, 1%, and 1% of motion sensor respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 48,811 with ISO9001, 30,834 with Other, and 6,883 with ISO14001 certification.