KOBRA 310 TS-AF C4 Professional Automatic Feeder Touch Screen Cross Cut Shredder, Shreds up to 31 Sheets of Paper at a Time, Automatically Shreds up to 150 Sheets, Shreds CDs, DVDs & Credit Cards Shreds up to 31 sheets of paper at a time (cross cut rated capacity with lubricated cutting knives) Automatically shreds up to 150 sheets; Shreds CDs, DVDs, credit cards EPC - Electronic Power Control System: shows the shredding load required to optimise shredding without jams ENERGY SMART power saving system: machine goes into power saving stand-by mode after just 8 seconds and switches off automatically after 4 hours of non-operation 24 hour continuous duty motors: no duty cycle or timed cool down periods