By this 8K HDMI Splitter 1 in 3 out , one input source device signal can be splitted two output devices, so the 3 display devices can show the same content on the same time. By this advanced 8K@60Hz HDMI splitter delivering crystal-clear picture and sound quality to your connected devices，creating a captivating viewing experience in your living room. Noted: It only support duplicate the input screen, not support extended different content on external monitors.