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About product and suppliers:
        Alibaba.com offers 40,775 pir motion sensor products. About 18% of these are alarm, 12% are sensors, and 1% are led tube lights. 

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

There are 40,711 pir 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 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 10,414 with ISO9001, 2,062 with Other, and 1,093 with ISO14001 certification.