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About product and suppliers:
            2,089 motion detector products are offered for sale by suppliers on Alibaba.com, of which alarm accounts for 19%, sensors accounts for 14%, and wall switches accounts for 1%. 

A wide variety of motion detector options are available to you, such as industrial. 

There are 1,564 suppliers who sells motion detector on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., and Taiwan, China, from which the percentage of motion detector supply is 99%, 1%, and 1% respectively.