The Alogic Active DVID to VGA adapter allows you to connect a digital output from a PC or laptop computer to a VGA monitor or projector eliminating the need to upgrade to a DVID compatible display and saving unnecessary cost.The adapter also offers a complete solution for connecting a HighDefinition VGA display to a DVID video source and supports resolution up to 1920 X 1200 (WUXGA).The adapter is completely portable and converts a standard powered DVI bus to VGA without external power source.For lowpowered DVI ports an additional USB cable is required to power the device from any USB compatible power source.