Purchase Qty. Reference FOB Price
20-199 Pieces US$2.50
200-1,999 Pieces US$2.00
2,000-9,999 Pieces US$1.60
10,000+ Pieces US$1.00
Product Description
Appearance can be imitated, but quality can NEVER be imitated. Parameter Unit Value Structure -- Waterproof IP67 Working mode -- Transceiver Nominal frequency KHz 40 Diameter mm 16 Height mm 10 Directivity Deg 90±5 Capacitance pF 1800±20% Ring time ms ≤2.0 ...