NewerTech Display Adapter
USB 2.0 to DVI / HDMI / VGA Small, lightweight, and bus powered with no AC adapter needed.
Up to 2048 x 1152 resolution.
Raise productivity by as much as 50% with an extra monitor.
Multiple displays (previously used primarily by financial traders, graphic designers, and video gamers) are now a common requirement for modern, everyday computer users that require viewing a volume of personal content and websites simultaneously.
Studies have shown productivity gains of 10% to 50% with multiple monitor use, because users are able to perform more work in less time and with fewer errors.