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About product and suppliers:
        Alibaba.com offers 180,773 motion sensor products. About 9% of these are sensors, 5% are alarm, and 5% are night lights. 

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

There are 180,457 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 Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 48,899 with ISO9001, 28,769 with Other, and 8,009 with ISO14001 certification.