SIIG's USB 3.0 to VGA Slim Adapter is designed to quickly and easily add an additional VGA port to your USB 3.0 equipped desktop or laptop computers. The adapter's slim space-saving design reduces desktop clutter and fits into tight spaces making it the perfect solution while travelling. This USB to VGA adapter supports standard and wide screen aspect ratios with high resolution video output. This adapter is hot pluggable and powered from the USB bus for energy efficiency, no external power adapter is needed. It is the perfect solution enabling you to extend your display screen or for use as an alternative display for your main screen.