SE-15V-2-2C1U: Share one monitor between two PCs 

VIDMUX^® VGA video switch enables up to 2 computers to be connected to a single video monitor, projector or LCD/plasma screen.

Features and Benefits
• Compatible with PCs, SUNs and MACs with VGA video.
• Eliminate redundant monitors.
• Ideal for classrooms and boardrooms.
• Interconnect NTI switches & splitters for complex applications.
• All connectors are 15 pin HD.
• A 3-foot multicoax input cable is included.