Displays the video output of two computers on a single monitor or projector Computer selection via pushbutton switch Electronic switching for greater reliability and durability Easy Installation - No Software Required Long distance transmission - up to 10m High resolution video - up to 1920 x 1440 DDC, DDC2, DDC2B Compatible Supports VGA, XGA. SVGA, UXGA and Multisync monitors OS Support: Windows 2000, Windows XP, Linux, Mac and Sun The VS291 is a video switch with 2 ports. It allows 2 independent computers to display their video outputs on a single monitor. Therefore, users will not need to buy monitors for each computer additionally. Ports & interfaces DC-in jack Yes VGA (D-Sub) output ports 1 VGA (D-Sub) input ports 2 VGA (D-Sub) ports quantity 3 Video port type VGA Features Input impedance 75Output impedance 75Maximum refresh rate 60 Hz Supported graphics resolutions 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1600 x 1200 (UXGA), 1920 x 1440 LED indicators Yes Maximu