With the 5x1 AC7840 HDMI switch, it is possible to display 5 HDMI sources on one TV/monitor. Switching between the sources is easy with the supplied remote control. The AC7840 switches automatically to the first available source thanks to the auto-input-sensing. The HDMI switch has a built-in infrared receiver. The maximum (3D) resolution is 1080p @ 60 Hz and 4K resolution: 3840x2160 @ 30Hz.