Mobile, heavy-duty shredder can destroy entire computer listings and shred store and credit cards as well as CDs, floppy disks and DAT cartridges. Shreds 27 sheets of 20 lb paper at 27' per minute into 1/8" x 1-1/2" cross-cut pieces. Stops automatically when the container is full and door is open. Keypad control allows constant operation and reverse. Shredder offers a security level 3, 15-4/5" throat, reverse button to release overfed paper, photoelectric cell for automatic start/stop control, standby mode with LED indicator, and safety element above paper intake. 39 gallon waste bin includes a reusable collecting bag. Motor has thermal protection. Enclosed housing protects against paper dust. The tried-and-tested, closed-tooth wheel drive prevents penetration of dirt and slows wear, increasing the service life.