This 4 Port VGA Video Splitter offers outstanding quality and distance, allowing you to deliver high resolution VGA video from a single video source to up to 4 monitors simultaneously Max resolution up to 1920X1440 supporting a maximum VGA video bandwidth of up to 250MHz while delivering display resolutions up to 1920x 1440 Video In: HDDB 15 pin female, Video Out: HDDB 15 pin female Mirror Screen from 1 source upto 4 monitor