... docking stationWith batteries & SD card, it can work without PC, When work with PC, it is no need for SD card & batteries ... status LCDFocus range Contact, 0.3mmUSB port USB 2.0 high speed Power source Scanner:3xAAA batteries or USBDock:6xAA batteries ... cable, Scanner, Docking station, CD, User Manual ,Pouch portable scanner high definition with dock, own backlight, CIS Sensor type