Min. Order Reference FOB Price
10 Pieces US$2.50-4.00 / Piece
Product Description
Product Description Description: 1. Mechanical structure is simple, it is easy to install. 2. This car is the tachometer encoder 3. With a 4 AA battery box and battery case. 4. Can be used for distance measurement, velocity. 5. Can use with other devices to realize function of tracing, ...