Add an additional monitor without adding an expensive, internal video card and avoid complicated installation Hot-swappable USB™ enables you to add or remove monitors without rebooting your system Move and view your large documents across two screens without overlapping windows Great for multitasking in a wide variety of fields including: call centers, stock markets, hospitals, graphic design, editing, accounting, etc A must-have for surfing the web and working on your email and social media accounts at the same time