[Supports 8 modes] 1x1/2x2/1x2/1x3/1x4/2x1/3x1/4x1 rotation (180º image rotation); [HDMI Interface Video Input]Led video wall support 1 interface video inputs (HDMI). Support a variety of TV monitors on the market, and ordinary household TVs can also be freely spliced, plug and play.; [ Create a 2x2 video wall from an HDMI source device] Four HDMI outputs at 4K @30Hz (in each display); [2 Ways Remote control]This LED TV Wall Controller support buttom and IR control, each function has very clear button, plug and play, no need software.; [180 degree Rotation]Provides 180° image rotation on all outputs independently