Product Description This is the Only Hardware DVI Adapter, Unlike DisplayLink Technology that uses Compression and Exhibits Delays with Signal this unit uses an on board Graphic Chip and Memory to speed things up, MCT owns the Patent on this Item and related Technology. Display Modes: Primary/Extended/Mirror/Rotation USB 2.0 Graphics Adapter with DVI & VGA Interface Micro Size for Portable Computer and Desktop Users, Easy XP and Vista Software Included. Up to 6 Units can be used on one computer. Combine this USB 2.0 graphics card with a DVI to HDMI converter ($8) and you now can play all of your computer contents on your HDTV Big Screen! USB External Graphics Card with DVI Port Output for XP/2000 and Vista Computers. VGA Resolution 1920 X 1200 UDA200, the amazing solution that allows you to attach additional display to PC or laptop without annoying of taking your computer apart. You can effectively double your working space through USB 2.0 port. Primary, extended, mirror and rotation modes are available for your preference for productive job. Do not let your old VGA monitor cover with dust and lie in garage. No matter you want to attach VGA interface monitor or add a monitor that is with latest DVI technology, just simply hook up the connector and plug the UDA200 USB 2.0 graphics card into available USB port on your PC. You have your desktop expanded! Features Driver supports up to 6 additional attachments Primary, Extended, Mirror and Rotate function modes USB 2.0 compliant DVI-I and VGA outputs compliant Plug-and-play compliant Windows 2000 / XP / Vista compatible Window 2000/ XP/ VISTA compatible Resolution supports up to DVI 1600 x 1200 or VGA 2048 x 1280 System Requirements Pentium 4 /Celeron family or AMD K6 /Athlon /Duron family with 1.5GHz One-on-One display attaching structure: 256MB RAM or Higher ; Multi-display attaching structure: 512MB RAM or Higher DVI or VGA Compatible Display Available USB 2.0 port Windows OS 2000 / XP / Vista Important Technical Information: USB external graphics card works with WINDOWS 2000(SP4) / XP and Vista Only! Requires USB 2.0 Port!