Specifications: Functions: Film Scanner / USB MSDC Interface: MSDC: USB 2.0 (high speed) CPU: Intel Pentium 42.8GHz Above Image Sensor: 1/3.2and34; CMOS Picture Format: JPEG Resolution: 5Mega Display: 2.4and34; LCD Screen Lens: Fixed Focus F/6.0, Fand61;6.34mm Focus Range: 5.6cm Sensitivity: Auto Exposure Control: Auto White balance: Auto Film Type: 35 / 135mm film,  Monochrome, Slide Light Source: Backlight Compensation Memory: Support 512MB or Above Hard Disk Capacity: At Least 200MB Video Card: 64MB or High Top Video Card Transmission Connection: Standard USB2.0 or Above Language: English, French, German, Italian, Spanish, Japanese, etc. Power Supply: DC 5V Operation System: Windows XP, VISTA, Win 7/8, MAC 10.7.3 Above Item Size: 8.6 8.6 10.2 cm / 3.4 3.4 in Package Size: 27 14 10cm / 10.6 5.5 3.9in Package Weight: Approx., 573g / 20.2oz Package List: 1 Scanner 1 USB Cable (80cm) 1 AV Cable (100cm) 2 Positive Slide Holders 1 User Manual 1 Brush Notes: SD card is not included. We donand39;t provide power plug. FQA : The reason why you can not connect scanner to your computer via USB? 1. USB mode of the machine may not be set . 2. Maybe thereand39;s something wrong with your computer USB interface, try other one. 3. Customersand39; SD card may be locked, you can unlock it and try to scan again.