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About product and suppliers:
        Alibaba.com offers 61,389 pir sensor products. About 16% of these are alarm, 12% are sensors, and 1% are temperature instruments. 

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

There are 61,095 pir sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and India, which supply 96%, 2%, and 1% of pir sensor respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 14,240 with ISO9001, 3,290 with Other, and 3,016 with ISO14001 certification.