Features, Automatic video skew adjustments (optional), Vesa enhanced ddc enables plug-and-play capability – Rose Electronics CrystalView USB2 User Manual
Page 6: Supports, Svga, vga, xga, rgb video modes, Single, dual, or quad head vga video models, Usb or ps/2 keyboards and mice, Usb 2.0 high-speed peripherals, Operating system independent, Made in usa
