Size is 7" x 5"
How to Use?
1. Insert the Acrylic panel* into the base;
2. Connect to USB cable to a power supply. (wall or computer); or you may use 3-AA batteries
3. Press button to choose color. It is done!
Touch button: Press one time, one color light up, press it again, it turns off. Press it thirdly, another color light up.
Automatically color changing mode: Press the touch button to last color, then press it again, auto color changing mode works.