240mm throat width accommodates large size documents./ Double entries respectively for paper and CD feeding./ Efficient shredding ability and long continuous working time./ Automatic stop and signal start when container has been opened./ Manual reverse paper function in case need to remove from shredding./ Motor thermo protection./ Automatic lock photoelectric-beam cutting control and warning siganl start./ "when container is full, after 15 seconds the alarm release." / Automatic reverse switch function when the paper jammed by overload./ Automatic start/stop photoelectric-beam cutting control./ "Specially hardened solid steel cutting assemble: durable to cut paper clips, pins and IC card etc./"