Product Detail Enhanced with Multi-Exposure functions on negative Film Built-in Multi-Sampling function for quality image. USB High Speed 2.0 connection, up to 4 times faster than standard USB1.1 transfer speed. Two film holders are provided: One is for mounted slides, holding up to four mounted slides SilverFast for professionals: Advanced users will be delighted with the bundled world-class image editing software - SilverFast SE 6.6 iSRD . The "Plustek OpticFilm 7600I SE Film Scanner" is best product for you. We recommended Plustek OpticFilm 7600I SE Film Scanner