4K Video Wall Controller HDMI Matrix Switch HDMI Matrix Selector Picture Multiviewer RJ-UD22 2x2 1x2 2x1 1x3 1x4 Mode Support 4K displayIts main function is the 2x2 display unit displays a 3840x2160/60HZ of super high definition image. Pure hardware framePure hardware frame, no CPU, no memory, boot only need 3 to 5 clock, system stability, no crashes, system crashes, virus infection risk; the year 365 days every 24 hours of uninterrupted work. Powerful data operationsData parallel processing technology,high resolution display,each output reached 1920*1080/60HZ . High speed dynamic picture,no tailing, delay, tear, dropped frames, images chasing phenomenon. Support 3840*2160/60HZ HD signal inputTK-UD22 HD video wall processor is supported by 1 DP,2 HDMI (compatibility MHL) signal input , HD video support interlaced and progressive input. Product supports up to 3840*2160/60HZ of ultra high resolution signal input, and downward compatible; all input signals through professional-level image processing chip. Ultra low power consumptionProducts using low-power design, no fan cooling, energy saving and environmental protection, no noise pollution, suitable for all kinds of noise control more stringent meetings or other places.