E-SDS 4-Port VGA Switch Video Audio Switcher Box (HDDB15 + 3.5mm) for PC Sharing Displays the video output of 4 computers on a single monitor or projector.Quick and easy switching between VGA/Audio sources via front panel pushbuttons. Provides up to 250MHz bandwidth for video clarity, Supports VGA resolutions up to full HD 1920x1080 and WUXGA 1920x1440. Auto-detect display DDC information for the optimal resolution. Supports VGA, SVGA, UXGA, WUXGA and multisync monitors. Simple button switching and high quality metal enclosure; plug and play.