... as an automatic feeding scanner when use with the docking stationWith batteries & SD card, it can work without PC, When work ... Dock:456.2gSensor type CISResolution 300DPI(default), 600DPI, 900DPIScanner speed(without dock)A4 length: 900DPI with color≤9s, 900DPI with ... , CD, User Manual ,Pouch auto feeding scanner with dock, own backlight, CIS Sensor type,support 32GB SD card,USB and batteries power