Fellowes Powershred 79Ci 100% Jam Proof Medium, Duty Cross, Cut Shredder, 16 Sheet Capacity, Black/Dark Silver 100% jam proof system eliminates paper jams and powers through tough jobs. SilentShred offers ultra-quiet shredder performance for shared workspaces. Energy savings system provides optimal energy efficiency 100% of the time-in use and out of use. SafeSense technology stops shredder when hands touch the paper opening. Average Shred Speed (mpm) : 4.3. Auto Reverse : Reverse Function Shreds 16 sheets per pass into 5/32" x 1-1/2" cross-cut particles (security level P-4).Item dimension H x W x D (inches):21.31 x 15.38 x 10.44