The Splitmux 4K-4RT-4R 4kHDMI Screen Spliter MultiView is a video capture and editing device that allows users to split their 4K HDMI output from their computer or other devices into four separate streams. With its HDMI standard output external interface, this product offers seamless integration with a variety of devices for enhanced viewing and editing capabilities. The Splitmux brand ensures high-quality performance and reliability for all your video capture and editing needs.