It is convenient that the 2 Ports Bi-direction switch provides 2 ways to use it. In switch mode (2 input 1 output), it allows two HDMI sources to one HDMI display. In splitter mode (1 input 2 output), two monitors can be connected, but only one of them has a picture, and cannot be displayed at the same time.
When using HDMI 2.0 standard cable, and at the resolution of 4K@60Hz the transmission distance of the bi-directional switch is up to 4.9ft(1.5m) + 4.9ft(1.5m) end-to-end.
Support 4K@60hz SDR RGB 4:4:4 and backward compatible with 4K@30Hz, 1080P, also supports HDMI 2.0, HDCP2.2/1.4, HDR10 (4:2:2 & 4:2:0), 3D, CEC, 18Gbps video bandwidth and ARC (Note: only Port 2 supports ARC function)
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PORTTA 4X1 HDMI Multiviewer 1080p 60Hz(amazon.com.au) Was $119.99 Now $101.99 (https://www.amazon.com.au/dp/B07JZ7G2PY?m=A1SI5LOR0XI016)
I have this exact model
Works 95% of the time but sometimes glitchy and doesn't pick up that there is a second monitor plugged in.