Supports 4* 4k60 inputs, 3* 4K60 outouts
Support 4* USB-B for host, 2* USB-A for keyboard mouse
Supports 3 fixed working modes and 3* scenes save/recall
Support keyboard&mouse OSD control, free window size adjustment
Support 3.5mm audio de-mbedded and audio output selection
Supports push button, RS232, and IR control
