A hand-held device for shredding paper comprising a pair of rotary cutting wheels disposed within a housing between an inlet slot and an outlet slot. The magnification chromatic aberration correction unit includes plural coordinate conversion parameters used for the magnification chromatic aberration correction, and switches the coordinate conversion parameter used for the magnification chromatic aberration correction in the event that there is a change in a light source or an illumination light. If the code module is not available at the web server, the web server uses the address to request the code module from another location. The processor may also receive a power measurement associated with the time tag. First and second loops are attached to and project from the bag adjacent to the mouth to allow a user to support the bag with thumb and forefinger while inserting the HED.