4XEM 4-Port VGA/SVGA Manual Switch Connect four computers to one VGA monitor or four monitors to one computer using 4XEM's 4-Port VGA/SVGA Switch (4XVGASL2503). This high performing 4-Port Manual VGA/SVGA Switch supports VGA video bandwidth of 250 MHz and features a fully-shielded rugged metal case with front-panel push-button switching. An interior printed circuit board design allows for crystal clear resolutions up to 1600x1280. No AC power is required to operate. Problem it solves: Perfect for switching between multiple PC's needing to share one VGA monitor or projector. Ideal for presentations, tradeshows, etc. 4XEM gear is respected industry wide for its high performance, premium quality and durability.