This 4X1 HDMI quad viewer 4K version allows you to connect four separate HDMI audio/video sources to one HDMI television, projector or monitor, and then display the video feeds from all four at the same time. For instance, connect a media server, Blu-ray player, security camera and Xbox to your HDTV, and watch the video transmission from all four simultaneously. This hdmi multiviewer 4k supports either button control or the included remote control. IMPORTANT NOTE: 1) Under Multi-viewer mode, the actual video quality regarding to watching experience, it might be no more than 1080P as it compresses the video source to display them in a single display.Pls check the actual video quality of our video listed. 2) The seamless switch is only working under full screen mode and both 4 hdmi inouts must be 1080P@60Hz. 3) This is a 4X1 Multi-viewer,however, it supports 2X1 mode.. 4) The 4X1 Multi-viewer comes with 2 different of power port(USB-C or DC 5.5X2.5mm),we will send it randomly. Color: Black Material: Aluminum Alloy Package Contents: 1 * Splitter 1 * Power Cord