Automatic screen brightness adjustment Adjust the screen brightness automatically based on the ambient brightness collected by the external light sensor. Easy preset saving and loading Up to 10 user-defined presets supported. Multiple kinds of hot backup Backup between devices Backup between Ethernet ports Mosaic input source supported. The mosaic source is composed of two sources. (2K×1K@60Hz) accessed to the OPT 1. Up to 4 units cascaded for image mosaic. Three working modes −Video Controller −Fiber Converter −Bypass All-round color adjustment Input source and LED screen color adjustment supported, including brightness, contrast, \ saturation, hue, and Gamma. Pixel level brightness and chroma calibration Work calibration software to support brightness and chroma calibration on each LED,