The USB-VGA Adapter delivers high-quality video for a variety of applications and is capable of simultaneously running up to five additional displays from a single computer (using four USB 2 VGA PRO

2 External Video Adapters). The adapter connects to a host computer through a USB 2.0 port, acting as an external VGA video card to either extend or mirror the desktop shown on the existing

display - without having to open the computer case.