High quality materials and "Made in Germany" quality for security and durability complete with a 3 year warranty. Cutting rollers made of hardened solid steel. Reliable and time-saving shredding of stacks of paper. Powerful motor allows for continuous operation. Nanogrip technology for reliable sheet intake. Useful dual function: Manual feed of paper during the autofeed stack processing. Energy Management Control System EcoSmart: Particularly low power consumption of 0.1 watts in standby mode. Dust emission tested by independent institute has proven safe & harmless. Automatic return eliminates paper jams. Quiet operation minimizes noise development in the workplace. Multifunction element for intuitive operation. Light barrier for automatic start / stop. Removable waste container for effortless emptying. Level indicator through inspection window in the waste container.