Purchase Qty. Reference FOB Price
1,000-3,999 Pieces US$0.48
4,000+ Pieces US$0.42
Product Description
ShenZhen JCHL Technology Pyroelectric infrared sensor HL500B PIR SENSOR Pyroelectric infrared sensors detect infrared radiation by using the characteristics of temperature changes. They employ a complementary method with dual sensitive elements to suppress interference caused by temperature ...