4PORT MANUAL SWITCH 4HDDB15FIN 1HDDB15FOUT VGA SVGA 4XEM's 4-Port Manual VGA/SVGA Switch is the optimal solution for connecting two computers to one monitor or two monitors to one computer. The 4-Port Manual VGA/SVGA Switch features a fully-shielded rugged metal case with front-panel push-button switching. Interior printed circuit board design allows for crystal clear resolutions up to 1600x1280. It does not require any AC power to operate.