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About product and suppliers:
        Alibaba.com offers 4,875 small motion sensor products. About 18% of these are sensors, 8% are alarm, and 1% are dimmers. 

A wide variety of small motion sensor options are available to you, such as personal, ray sensor, and door. You can also choose from ultrasonic sensor, capacitance sensor, and inductance sensor. As well as from switching transducer, digital sensor, and analog sensor. And whether small motion sensor is free samples, or paid samples. 

There are 4,924 small motion sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 99%, 1%, and 1% of small motion sensor respectively. 

Small motion sensor products are most popular in Western Europe, North America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,404 with ISO9001, 659 with Other, and 265 with ISO14001 certification.