US patented cutter can prevent 100% damages to shredder from paper jams and prolong its life span. SEVERAL small paper particles might be left in the basket or cutter due to strict full quality test by the manufacturer.The micro-cut shredder takes max 10-sheet of 20-pound bond paper down to 6/32 by 20/32 inches (5 by 16 mm) at a time, do not need to remove staples or clip. Can also shred credit card / junk mail (one at a time).This small paper shredder features extra fast shredding speed with 5 minutes running time. Due to safety concern, if it keeps running over its maximum working time, shredder will be overheating, after 40 minutes cooling cycle, it can restart to work. Also equipped with overheat LED indicator.This paper shredder is equipped with 3-mode control switches (Auto, Off, Reverse); Auto start / stop and manual reverse functions simplify shredding and paper jam clearing processes, release you from the frustration of jamming. It has 1-Year protection with ETL certification.