Eclipse TRI904040001/04/1 SEE2 Xtreme UV250 USB to DVI External Video Adapter Easily add up to 6 additional displays via USB 2.0* Supports playback of 720p HD video T2 Compression Technology for accelerated graphics performance Supports resolutions up to 1920 x 1200 Extended Desktop Primary Desktop Mirrored Desktop Rotated Screen* *Up to four external video cards with Mac OS. Rotation not supported on Mac OS.