Specifications: Functions: Film Scanner / USB MSDC Interface: MSDC: USB 2.0 (high speed) CPU: Intel Pentium 42.8GHz Above Image Sensor: 1/3.2" CMOS Picture Format: JPEG Resolution: 5Mega Display: 2.4" TFT LCD Screen Lens: Fixed Focus F/6.0, F=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 don'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 yet. 2. Maybe there's something wrong with your computer USB interface, try other one. 3. Customers' SD card may be locked, you can unlock it and try to scan again.