Purchase Qty. Reference FOB Price
10-49 Pieces US$2.99
50-99 Pieces US$2.78
100+ Pieces US$2.68
Product Description
Perfect version hc-sr501 is an automatic control module based on infrared technology. It adopts the original imported probe design, with high sensitivity, strong reliability and ultra-low voltage working mode. It is widely used in all kinds of automatic induction electrical equipment, especially the ...