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About product and suppliers:
        Alibaba.com offers 40,200 pir motion sensor products. About 18% of these are alarm, 12% are sensors, and 1% are other electronic components. 

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

There are 40,136 pir 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 pir motion sensor respectively. 

Pir motion sensor products are most popular in Western Europe, North America, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 10,558 with ISO9001, 2,085 with Other, and 1,494 with ISO14001 certification.