Professional shredder features optimized cutting device technology that tears through 22 to 24 sheets of paper, creating 38 strip-cut particles per page, with a whisperlike noise level. It also shreds staples, paper clips, credit/store cards and CDs/DVDs. High-quality materials provide security and durability. Powerful motor with thermal protection delivers continuous operation. Hardened, 100 percent solid steel cutters can handle occasional standard paper clips or staples. Powerful, specially adjusted drive is made for high performance and longer periods of use. Tried-and-tested, closed-tooth wheel drive prevents penetration of dirt and slows wear, increasing the service life. Enclosed housing protects against the spread of paper dust. Reverse button releases overfed paper. Energy Management Control System Zero Power means particularly low power consumption of 0.1 watt in standby mode. Shredder also features an automatic start/stop and on/off switch.