The VisionTek Laptop Multi-Monitor Video Adapter easily adds multiple monitor support for your laptop PC. Compatible with all VGA/DVI monitors, the VisionTek 900323 Laptop Multi-Monitor Video Adapter provides video streaming of up to 1080p for your monitor resolution and quick plug and play connectivity. Add your extra monitor or projector through the available USB 2.0 port and work on multiple projects and documents simultaneously. With the VisionTek Laptop Multi-Monitor Video Adapter, you"ll get the easiest and most effective way to enjoy multiple monitor use!