The Optimum AutoFeed+ 750M micro cut shredder automatically shreds up to 750x A4 sheets of paper (80gsm) at a time, into P-5 (2x15mm) micro cut pieces. This auto feed shredder machine is a sophisticated office shredder, featuring a 140L pull out bin. No need to manually feed paper, or remove staples and paper clips first, this automatic paper shredder will do all the work for you.- Warranty/Guarantee : 2 Years