AV Access HDMI switches support video resolution up to 4K@60Hz 4:4:4 8bit, enabling up to five ultra HD sources to be switched to one ultra HD display. According to different number of input and output ports, they can be classified into 4K HDMI switch and 4K matrix switch. They can support various control options like panel button, IR remote and RS232 command. Some support automatic switching or downscaling function. They are ideal for wide applications, like offices, schools, conferences rooms, shopping malls, hotels or other locations requiring A/V switching.