1.8K HDMI 2.1 Switching：5-port HDMI 2.1 switcher allows seamless sharing of video and audio from 5 different HDMI sources to 1 HDMI display. Supports infrared remote control for effortless switching. 2.High-Performance Video and Audio：Supports resolutions up to 8K@60Hz, 4K@120Hz, and 1080P@240Hz with 4:4:4 8-bit color. Compatible with VRR, HDR 10, Dolby Vision, and 3D. Audio support includes ARC, Dolby Atmos, DTS X, Dolby True HD, DTS-HD Master Audio, and PCM 7.1.