NOTE & This Hdmi Splitter not 4 inputs 1 output switch (NOT bidirectional switcher). Just duplicate or "mirror" a single Hdmi source on four Hdmi displays. 4 displays will show the same picture simultaneously & splitter amplifies and equalizes the input signal in order to perform at maximum spec without signal loss for longer runs. It means that if you are running multiple displays with different resolutions, the splitter will send the lowest "common" resolution to all displays. & NOT Support 4K@60Hz and cable NOT included. br> SPECIFICATION 1.
Input ports: 1X Hdmi ports (standard) 2.
Output ports: 4 X Hdmi ports (standard). 3.
Video format supported: 640x480, 800x600, 1024x768, 1280x1024, 3840x2160@30Hz 4.
Input Video Signal: 0.5 ~ 1.0 volts p-p 5.
Input DDC Signal: 5 volts p-p