Min. Order Reference FOB Price
100 Pieces US$2.50-7.90 / Piece
Product Description
Product Description Operation Quick Guide: 1,START THE LOGGER Press the button for 3 seconds till both LEDs light up, the RUN LED will then flash every 5 seconds indicating the logger is working. 2, MAKE A MARK Press the button once, the RUN LED will light up for 1 second, indicating a ...