About this item Copy one source to four identical displays: The 1 in 4 out HDMI splitter allows you to duplicate the same content from one input source to four display devices. Please note that it does not support extended mode, which means you cannot display different content on four display devices. 1x4 HDMI Splitter connection process: This HDMI splitter features one HDMI input port, four HDMI output ports, and one USB power port. It's plug and playsimply connect the HDMI signal source device (such as a Blu-ray player) to the input, then connect up to four HDMI display devices (like monitors, TVs, or projectors) using HDMI cables. Finally, plug the included USB power cable into a power source to ensure stable operation. The splitter will duplicate one HDMI input signal to four HDMI displays, transmitting video without any loss or delay. 4Kx2K UHD High Resolution: The 1 in 4 out HDMI splitter supports resolutions up to 4K (3840x2160P) at 30Hz, and is backward compatible with 3D, 1080