Have any old 35mm films or slides? Here's the perfect device to help you easily organize and externalize them. At the touch of a button, the image digitizer will scan and convert your old memories into sharp, vibrant digital images in JPEG format. These can then be viewed on your computer or other device, or printed out as regular photos. There is no need for a computer connection to operate the scanner. Once scanning is complete, the built in 2.4 inch color LCD screen will display your digitized image. NOTE:1.This film scanner must be need a SD card. 2.buyers need to scan the picture into sd card then connected to computer under usb format, please choose the usb format on the film scanner screen when the film scanner is connected to the computer, after that , the computer can recogise the sd card and the picture will be showed sucessfully on the computer.At this time the computer is only for the power source.