This is an Iris Ohyama shredder. It operates automatically, and shreds without issue in the forward direction, but stops working in reverse. Therefore, please use it in automatic and forward mode. The condition is that there are scratches and dirt on the exterior. Manufacturer: Iris Ohyama Model Number: KP10HCS Shredding Size: Approximately 3.9x32mm (cross-cut) Maximum Shredding Capacity: 10 sheets of A4 copy paper (64g/m²), 1 CD/DVD/plastic card Rated Time: 10 minutes (continuous usage time) Dust Box Capacity: Approximately 17L (A4 copy paper: 180 sheets) Feed Width: Paper feed slot 225mm / CD/DVD feed slot 122mm Shredding Speed: Approximately 2.0m/min (50Hz)・Approximately 2.3m/min (60Hz) Cord Length: Approximately 1.6m Management Number: 070121M500