USB-connected VGA display adapter made by I-O DATA USB-connected external graphics adapter, analog-only model USB Graphics (USB-RGB2) Easy multi-display with USB connection! USB-connected external graphics adapter, analog-only model "USB Graphics" is an external USB graphics adapter that enables a multi-display environment via USB connection, and is an analog output-only model. You can easily add an LCD display to your computer environment with a single USB cable. It can be easily used even with notebook computers and space-saving computers, where it has been difficult to achieve multi-display in the past. Please check the product specifications here: https://www.iodata.jp/product/av/graphicsboard/usb-rgb2/spec.htm