V1.4 4K 2X2 HDMI Video Wall Controller
* Support HDMI and DVI input
* Support 4 HDMI outputs
* Output support RGB 4:4:4
* Support RS232 control
* Support 2X2/1X2/2X1 splicing, easy operation, plug and play
* Support 2X2 automatic splicing function
* Support the highest input 4K/30Hz, the highest output of four each 1080P/60Hz