Rotation Speed: 3 adjustable rotation speeds of the electric knife sharpener with intuitive and easy-to-read LCD display and three speeds to choose from: low, medium and high. Simply attach the knife to the slot, pull the knife in one direction and grind it 3-5 times in each slot to restore the sharpness of the knife. The diamond sharpener can be flexibly adjusted to suit different tool requirements, ensuring optimal results every time you sharpen your knives. 5 in 1 Multifunctional Design: 5 in 1 adjustable knife sharpener supports sharpening a wide range of knives such as straight knives, serrated knives, ceramic knives and scissors, meeting the needs of a variety of scenarios in the kitchen, outdoors and crafts. In addition, a removable ceramic polishing rod has been added for sharpening shaped tools and also for polishing. Bottom plate for collecting grinding chips: Automatic electric knife sharpener with innovative design of a grinding chip collecting plate effectively collects the chips generated during grinding, keeps the working area clean and improves the user experience. The chip plate and some parts have a removable design, which makes it easy for users to clean and maintain, and extends the service life of the product. High-performance motor: Electric kitchen knife sharpener made of durable materials, built-in high-efficiency motor provides stable and powerful power with low noise and good heat dissipation, together with first-class materials to ensure fast and accurate restoration of tool sharpness.