... is a kind of 2-in-1 scanner, it works as handy scanner when use it alone and it also ... works as an automatic feeding scanner when use with ... 3mmUSB port USB 2.0 high speed Power source Scanner:3xAAA batteries or USBDock:6xAA batteries or USB 5VUSB ... ROM or above List of accessory USB cable, Scanner, Docking station, CD, User Manual ,Pouch auto feed ...