Purchase Qty. Reference FOB Price
2-99 Pieces US$1.50
100-999 Pieces US$1.40
1,000-9,999 Pieces US$1.30
10,000+ Pieces US$0.90
Product Description
Product Description FS-IR12B Optical Liquid Level Switch The photoelectric liquid level switch has built-in infrared light-emitting diodes and photosensitive receivers, and the head is a prism structure. When there is no water, the light emitted by the light-emitting diode will be refracted by the ...