Pir Sensor

43915 pir sensor products are offered for sale by suppliers on Alibaba.com, of which alarm systems accounts for 9%, motion & position sensors accounts for 8%, and other sensors accounts for 4%. A wide variety of pir sensor options are available to you, such as digital sensor, analog sensor and switching transducer.You can also choose from home security system, fire and infrared pir sensor,as well as from abs, hdpe, and pc pir sensor,and whether pir sensor is sensor module, or fresnel lens.