Features: Sharpener safe for all high-quality knives
2 stages: sharpening and honing
Diamond abrasives in both stages create a strong, beveled, razor-sharp edge
Precision roller guides control the angle of right or left handed strokes
Features: Power on: Plug the device into a power source or use batteries. Select sound: Press the 'Sound' button to cycle through the 18 options. Adjust volume: Use the 'Volume +/-' buttons to choose from 30 levels. Set timer: Press the 'Timer' button to cycle through time options from 15 to 120 minutes.