?18-Sheet Capacity Paper Shredder? Shreds up to 18 sheets of paper per pass into 5/32” x -12/32”?4x35mm) cross-cut particles with high security level P-4. Effectively shreds staples, credit cards, paper clips, junk mails. Professional heavy duty paper shredders for office and home use ?Nonstop 30-Minute Running Time ? With an advanced cooling system, the cross-cut shredder can continuously run up to 30 minutes without waiting for cooling. The durable cutting blade allows you to complete shredding in just one setting ?Super Quiet Shredder? The heavy duty document shredder for office with 58 dB low noise level will give you a quiet and smooth shredding experience ?User-Friendly Design? The shredder for office use is equipped with convenient buttons (Power on, Forward, Reverse) and overheating, overloading, bin full, bin open protection with clear LED indicators will show the status accordingly ?Large Bin Capacity? Easy-to-empty 6.6-gallon pull-out bin can hold 420 sheets of A4 paper for less frequent and easier emptying. The transparent window makes it easy to see when the bin is full of paper scraps ?Easy to Move? This paper shredder is equipped with 4 casters for easy mobility ?Quality Guarantee?BONSEN provides a 1-year worry-free warranty for all paper shredders. Please refer to the user manual, troubleshooting guide on the detail page before use. If there are any other questions on using the machine, please contact our customer service BONSEN S3104 Anti-Jam Heavy Duty 18-Sheet Cross-cut Paper Shredder Large size 6.6-Gallon pullout Basket 58 dB Super Quiet Operation Ultra-low noise level will give you a quiet and smooth shredding experience. With a patented cooling system, this cross-cut paper shredder can shred up to 30 minutes continuously, 3000 sheets of paper will be destroyed. Shreds for up to 30 minutes before a 20 minute cool down period is needed.