HDMI 2.1 Bi-directional Switch HDMI switcher can seamlessly connect 2 HDMI sources to 1 HDMI display (HDMI Switch 2 in 1 out), or 1 signal source to 2 display (HDMI Switch 1 in 2 out)(CANNOT display simultaneously). It helps expand HDMI 2.1 ports on your TV. No delay, No loss in quality. Easy to toggle between sources by a push of a switch button. No need to plug and unplug the cables. Ultra-High-Definition 8K Resolution HDMI hub supports 8K@60Hz, 4K@120Hz (4K@165Hz/144Hz) ,and backward compatible with 2K@240Hz, 1080P@240Hz resolution, provide you with transfer rates up to 48Gbps. Plus VRR, Dynamic HDR Chroma 4:2:0/4:2:2/4:4:4 and supports Dolby Vision and HDCP 2.3 compliant, promise you smoother, more responsive gameplay experience with a sharper and more realistic picture. Fast and Stable Transmission This aluminum HDMI switch provide you with high-definition transfer rates up to 48Gbps at full bandwidth. Using 8K resolution or other high resolution and high refresh rates requires the use of HDMI 2.1 cables to connect devices. Gold-plated connectors resist corrosion and ensure top-notch audio and video signal transfer. Aluminum alloy housing ensures a durable use and heat dissipation (HDMI Cable NOT Included) Broad Compatibility HDMI Splitter Switcher is perfect for all the devices with standard HDMI interface. Support Input: computer, XBox 360, XBox One, PS5/PS4/PS3, Blu-Ray DVD player etc; Support Output: HD-Ready or Full HD TVs, monitors, projectors etc. No External Power Needed This 8k HDMI Switch Box is easy to use, no external power is required, just simply press the button on the HDMI box to make shift of input or output source. It comes with lifetime technical support & friendly customer service, we would solve your problem within 12 hours. So pls contact us by message-centre if you encounter any problem while during the use.