1. LED display asynchronous control card USB interface, can support short video playback, computer, cell phone APP to send information to the LED display. ^^2.
Time: Digital Clock / Analog Clock / Timer / Lunar Calendar / Solar Terms^^3.
Content support: text / subtitles / images / animation / time / dial / timer / SWF and GIF animation^^4.
Brightness adjustment: multi-level brightness can be selected^^5.
Background effects: support for various special effects in the background