USB to DVI converter turns an available USB 2.0 port into an external video card DVI port - providing high quality dual-display or multi-monitor capability that can be used in a variety of laptop or desktop applications to increase your productivity. Features: Supports suspend and wake-up modes Functionality: primary, extended or mirror Resolution: up to 1680 x 1050 @ 32-bit color DVI output 16MB Display Memory Allows multiple connection in a single PC No external power supply needed Support Windows XP, Vista, Windows 7 32/64 bit Package Content : 1 x Product 1 x Manual 1 x Driver CD