... years.The document camera should be connected by USB cable and controlled by Eloam software to edit ... , and other functions.The document is foldable design,USB plug to use,easy to carry ,make office work ... 3, Green environmental, low carbon energy saving.Adopt USB connect with computer, no need extra power-supply ... sales service:1, Package include: 1x Scanner,1x USB cable, 1x User Guide, 1x CD-ROM, 1x ...