B24 Professional Shredder uses an Energy Management and Control System to reduce energy consumption by 90 percent. Cross-cut shredder automatically switches to energy-saving mode in 2 minutes after the last use and switches off entirely if not used for 4 hours. Security Level 3 shredder shreds up to 19 sheets at a time into 3/16" x 1-1/8" pieces. WhisperShred Technology reduces decibel levels so you experience a low noise level whether running idle or shredding paper. Cutting speed is 13' per minute. Cutting rollers are made of specially hardened steel. Totally enclosed gear box helps reduce noise and prevents failure from dust and debris getting into the gears. Shredder also offers a continuous-duty motor, 9-1/2" throat, shred-bin level indicator, level indicator, removable waste container, and folding safety element. Waste bin holds up to 9 gallons. Shredder also shreds CDs/DVDs, credit cards and paper clips.