http://tinyurl.com/mdtph57

Panlong� 4-Port VGA Video Audio Manual Switch Switcher Box (VGA + 3.5mm Audio) for PCs sharing Monitor/Projector

Enables multiple PCs/laptops to share one VGA monitor or projector plus audio

Provides up to 250MHz bandwidth for video clarity, Supports VGA/WUXGA resolutions up to 1920x1440

Auto-detect display DDC information for the optimal resolution

No External Power Supply Needed

Metal enclosure; One-year warranty