The 1×4 hdmi splitter uses a single hdmi source accessing to multiple hdmi sink. It allow one hdmi device to be split easily to 4 hdmi compatible monitor or projectors in addition it can be place at the end of a long hdmi cable to regenerate the HDMI signal the resolution this hdmi splitter can be up to 3840×2160/60hz this product can support Edid management function comes with eight kind of Edid mode the user can choose according to their own need in addition it is with built in IR extension function it can work with our hdmi 2.0 repeater which has IR-RX to receive the IR command to control the source