LED Scrolling Dog Tag

Features:
1) With the dots at 9 x 16
2) Can hold 8 messages with 255 characters
3) Easy program with three onboard buttons
4) Power supply: 1pc, CR2032 or 2pcs, CR2016 for white and pink colors
5) Five different scrolling modes:
    a) Scrolling from right to left
    b) Scrolling from left to right
    c) Scrolling from down to up
    d) Scrolling from up to down
    e) Freeze mode, without movement
6) Four different brightness controls
7) Eight different scrolling speeds