Electric Knife Sharpener Multifunctional Automatic Professional Small Knife Sharpener Kitchen Quick Sharpening Non-slip Tools. Material: 304 stainless steel +ABS. Color: Yellow/Orange/Black. Battery capacity: 2000mAh. Battery life: about 2 hours. Charging method: USB charging. Application: for alloy knives, carbon carving knives, stainless steel knives, all kinds of straight knives. Features: Instant sharpening, sharp knife edge, cut vegetables not blunt. Electric knife sharpener for home use, 1 to 2 minutes to easily sharpen knives, solve the traditional knife sharpening troubles. The product shell has good gloss, high hardness and long service life. Wide range of uses, suitable for a variety of household knives and scissors.