Electric Knife Sharpener Two Stage Sharpening System Kitchen Knives Sharpening DescriptionThe product is Electric Knife SharpenerEasy to useThe product is manufactured in ChinaTwo-stage sharpening system quickly and easily sharpens most any non-serrated blade for professional results in the convenience of your home. (Presto knife sharpener is 120 volts)No guess sharpening; Precision blade guides position the kniffe at the ideal sharpening angle for perfect results every timeCreates a razor sharp edge in seconds using Sapphirite sharpening wheels, the same ultra-hard material used by professional shopsStage 1- Precision grinding begins the sharpening process by creating a precisely angled edgeProduct Built to North American Electrical StandardsThe Presto electric knife sharpener provides an easy, automatic way to sharpen most non-serrated kitchen and sport knives to a razor sharp edge. With a special two stage system, it precision grinds a perfect sharpening angle, then fine hones and polishes the edge for professional results at home, anytime. 120 volts AC