Bonsaii EverShred 14-Sheet Cross-Cut Heavy Duty Paper Shredder with 30 Minutes Continuous Running time (C169-B) Continuous running time up to 30 minutes without stopping for mass documents ,destroying 3500 sheets completely with patented cooling system. Cross-cut paper shredder with 14 sheets (A4 size 75g/m ) shredding capacity; Shreds paper into tiny particles measuring 1/4 x 1-14/25 inches. Jam protection system with auto start and auto reverse to protect you from the frustration of paper jams. 4.5 Gallons pull-out wastebasket capacity for less frequent and easy emptying, and the transparent window makes it easy to see when it is full. Overheating and overloading protection technology to keep sustainable using the shredder and prolong its lifetime.