The ST122HD4K 2-port 4K HDMI splitter lets you share an HDMI display or projector with two HDMI-enabled audio / video source devices, such as computers, Blu-ray players and cable TV set-top boxes. With support for Ultra HD (4K) the HDMI splitter ensures astonishing picture quality, four times the resolution of high-definition 1080p at 30 Hz. The 4K splitter is also backward compatible with previous HDMI revisions, supporting 1080p / 720p HDMI video resolution devices. Even if you don't require 4K video today, the ST124HD4K ensures you'll be ready to take advantage of tomorrow's display technology. Constructed of solid aluminum, the HDMI splitter casing is heavy enough to prevent the unit from shifting or sliding around when you move the attached HDMI cables. Plus, the small footprint allows for seamless integration into any digital signage application.