Smith's is proud to introduce the Diamond Edge Pro Electric/Manual Knife and Scissors Sharpener with Edge Pro technology featuring Interlocking diamond wheels in combination with manual sharpening elements. It provides a broad capability to sharpen multiple blade types and edge conditions. This one product allows you to easily sharpen extremely dull bades, maintain razor sharp edges on both straight and serrated blades & sharpen common household scissors. Designed for American electrical outlets. Voltage: 120V/60Hz.