This 4X1 quad viewer 4K version allows you to connect four separate audio/video sources to one 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 to your HDTV, and watch the video transmission from all four simultaneously. This 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 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 send it randomly. Color: Black Material: Aluminum Alloy Package Contents: 1 * Splitter 1 * Power Cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.