Description: This 4-input multi-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 for to your HDTV, and watch the video mission from all four simultaneously with built-in IR control. Quad-Screen MultiViewer: The 4 in 1 out multi-viewer display video from one, two or all four sources at the same time. connected up to 4 audio/video sources and displays them simultaneously on a single TV, monitor or projector. Up to 5 Display modes: The multiviewer switch offers multiple ways to watch your source devices, allowing you to display 1 device or all 4 devices at the same time. Display Mode 1,Mode 2,Mode 3,Mode 4.The videos be scaled and squashed to fit the full screen. 4K Multi-viewer: The 4 in 1 out quad viewer supports scaler function and can support in and out resolutions up to 3840x2160@30Hz and HDCP 1.4.It can scale 1080P input signal to 3840X2160@30Hz.(Note: the resolutions refers to the figure only,the actual quality is no more than 1080P) Color:Black Material:Metal Package Contents: 1 * Quad Multi Viewer 1 * Remote Control 1 * English instruction manual 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.