"1. This is a 2 in 1 out switcher, not a dual display splitter, it cannot display two output at the same time.
2. Does not support automatic switching.
3. If you need to use our switcher to output 4K@120Hz or 8K@60Hz, please make sure that your HDMI 2.1 cable, HDMI signal source and HDMI display all support the 4K@120Hz or 8K@60Hz resolution.
4. For some high-power devices, it may take 3-6 seconds to manually switch the signal source.
5. If the resolutions of two computers or monitors are different, the final output resolution depends on the lower one. "