Professional touch screen shredder: all controls are activated by simply touching the panel. Motor thermal protection: 24 hour continuous duty motor without overheating and duty cycle. Kobra 245 TS C4 can shred up to 23 sheets a a time in 3,9 x 40 mm cross cut (P-4). It can shred transparent material too. Carbon hardened cutting knives, unaffected by staples and metal clips, high prec... https://allmaxestore.com/product/kobra-245ts-c4-professional-touch-screen-shredder-for-personal-and-small-office-use/