Tripp Lite USB Display Adapter

Tripp Lite USB Display Adapter displays video on a VGA or DVI monitor or projector via your computer or laptop USB 2.0 port. You can extend a video from your primary display to another, duplicate the same video on both displays or change the second display to your primary display. Supports high-definition video resolutions up to 1920 x 1080 (1080p) 60hz. You can add up to six adapters, each attached to its own USB 2.0 port, to connect a total of seven displays to the video source. Adding or removing a monitor is easy no need to reboot the system afterward. No external power supply is necessary.