This product belongs to the HDMI signal distribution category. Generally, the high-definition DVD only has one HDMI output port, but sometimes the HDMI signal distributor plays a certain role when multiple monitors or TV are required to display the same picture. This is an ultra-HD HDMI splitter that supports 3D and supports 4K*2K resolution. It can easily distribute an Ultra HD signal to multiple monitors that support Ultra HD signals. In addition, the front and rear ends of the product can be connected to the distributor, matrix, extender, etc., the image effect will not be attenuated, and is very stable. Play HD video without any pause, no delay, no tailing, and perfect support for 3D let you feel the shocking stereoscopic picture. This product is mostly used in video advertising, monitoring, information release, security system, multimedia teaching system, banking, subway, computer room, management long distance transmission and other occasions.