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About product and suppliers:
        Alibaba.com offers 176,102 motion sensor products. About 10% 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 position sensor, level sensor, and room. You can also choose from optical sensor, ultrasonic sensor, and current sensor. As well as from switching transducer, analog sensor, and digital sensor. And whether motion sensor is free samples, or paid samples. 

There are 176,102 motion sensor suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 47,188 with ISO9001, 28,161 with Other, and 7,756 with ISO14001 certification.