Ultra-quiet MS-450Cs Micro-Cut Shredder delivers superior protection with particles 10 times smaller than standard cross-cut shredders. Capacity holds more than 80 percent more paper per gallon than standard cross-cut shredders. SilentShred offers ultra-quiet performance for shared work spaces. Patented SafeSense Technology stops shredding when hands touch the paper opening. Shredder reduces documents to 5/64" x 5/16" micro-shred particles (Security Level 4) and shreds up to 7 sheets per pass at 9' per minute. Equipped with an 8-3/4" wide paper entry, shredder easily accepts standard letter-size or legal-size documents. Durable steel cutters also shred credit cards, staples and CDs/DVDs. Maximum runtime is 8 to 10 minutes with a 15-minute cooldown. Electronic auto start/stop ensures quick and easy automatic shredder operation. 4.5 gallon pullout offers a clear window for monitoring the fill level. Shredder includes casters for portability and is made of plastic and metal.