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About product and suppliers:
        Alibaba.com offers 59,347 pir sensor products. About 16% of these are alarm, 11% are sensors, and 1% are drive shafts. 

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

There are 59,128 pir sensor suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 98%, 1%, and 1% of pir sensor respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 14,849 with ISO9001, 3,565 with Other, and 1,795 with ISO14001 certification.