Startech. com 4-Port HDMI Switch with Picture-and-Picture Multiviewer Share an HDMI display between four distinct HDMI audio/video sources, with optional Picture-and-Picture Save cost and screen real estate by combining multiple inputs on a single HDMI display Customize your output with multiple display modes for combining video Mounting hardware included Support for video resolutions up to 1920x1200 / 1080p Remote control using RS232 (serial), Telnet (TCIP/IP Network), or IR (remote control included) Choose which audio source is outputted with your combined video sources The VS421HDPIP 4-Port HDMI Video Switch with Picture-and-Picture (PAP) lets you connect four HDMI video sources to a single HDMI display with the added benefit of playing all four video sources on your display simultaneously with combined video. See the Whole Picture The split-screen multiplexing switch gives you the flexibility of a 4-port video switch with the added benefit of combining two, three or four video sources onto your output display. The switch supports three different picture-and-picture modes per display: Matrix Mode (1x1) / Dual Mode (2x1) / Quad Mode (4x1) . Control Your Output Fitting your boardroom or digital signage application with a VS421HDPIP dramatically increases your communication possibilities. Not only does the picture-and-picture switch increase your communication by a factor of four, but it also enables you to adjust your video sources remotely using RS232 serial, your local TCP/IP network, or the included IR remote control. Increase the Versatility of Your Display The VS421HDPIP is a flexible video switch that can improve any video display application. The picture-and-picture technology enables you to share up to four distinct images on the same screen, reducing required video real estate and saving you from wasting money on additional displays in a digital signage applications. For security monitoring you can combine four video sources across a single display to view