Bring four HDMI sources into a single 4K display, monitor, or projector with one compact 4x1 HDMI multiviewer switcher. This 4K Seamless Quad Screen Real Time Multi Viewer Splitter lets you view multiple inputs simultaneously or switch between them quickly, making it easier to manage cameras, computers, media players, and set boxes without changing cables. Why you need it See multiple sources at once: display up to four HDMI inputs on a single screen in quadview for monitoring, presentations, or live production. Save time and simplify setup: switch between inputs or show all four in real time without swapping cables or adding extra hardware. Maintain image quality: supports 4K resolution for crisp images and clear details across sources. Key benefits Realtime multiview: Seamless quad screen output lets you monitor four feeds simultaneously with minimal delay. Flexible operation: Use the ondevice controls or the included IR remote to switch inputs and change layouts quickly. Singleoutput convenience: Consolidate multiple HDMI devices into one display source—ideal for limited display ports. Main features and attributes Functionality: 4 HDMI inputs (4x1) and 1 HDMI output (4 in 1 out) supporting simultaneous multiview and input switching. Video performance: 4K resolution support for definition input and output. Controls: Frontpanel operation plus IR remote control for convenient, remote switching. Power: Supplied with a US plug (4X1 US Plug) for reliable power in regions using that standard. Compatibility: Works with HDMIequipped devices such as cameras, PCs, media players, game consoles, Blu‑ray players, TVs, monitors, and projectors that support HDMI and 4K signals. Ease of use: Plugandplay setup with clear input/output layout and straightforward control options. Practical use cases Security and surveillance: Monitor four camera feeds simultaneously on a single 4K monitor to keep an eye on multiple locations without multiple displays. Meetings and presentations: Combine laptops, video conferencing boxes, and media players into one screen for sidebyside content comparison and smooth presenter switching. Live production and streaming: View multiple HDMI camera angles on one monitor for realtime program previews, switching, and multicamera oversight. What to expect in operation Connect up to four HDMI sources to the inputs, connect a single HDMI display to the output, power the unit using the supplied US plug, and use the front buttons or IR remote to select input modes or show all four sources in quadview. The unit is intended for straightforward, reliable multisource display and switching where 4K output and realtime monitoring are required. Note: Designed to work with HDMIequipped equipment and displays supporting 4K. Follow your display and source device settings for resolution and refreshrate compatibility.