The usb2vgae3 usb vga multi monitor external video adapter lets you add a high resolution 1920x1200 external vga output to your desktop or laptop computer using an available usb 20 port a cost effective solution for systems that lack the outputs required for a multi monitor setup this high performance usb to vga adapter can be used to mirror your primary display and show the same image on both screens or extend your desktop to double your workspace this small form factor usb video adapte