Please the given link for the first hand information directly from the producers http://www.chinacomix.com/pro_view-1678.html Brand : Comix Product : Paper shredder Shred capacity: A4 70 Gsm Paper 12 sheets/ 1 CD / 1 card Shred size 4*35 mm Entry width : 220 mm Shred type: cross cut Shred speed: 2.2m/Min Duty cycle: 15 minutes on 40 minutes off Switch feature: Fwd-Auto-Rev