Specifications Material PVC Stainless SteelSize 19 6 5cmCharging Time 2 HoursContinuous Use Time 2 HoursGrinding Speed 10 SecondsFunction Three Speed Power AdjustmentBattery Capacity 2000mah Battery CapacitySuitable For All Kinds Of Knife Blunt Cutting Knife Chopper Knife Multi Function Knife Chef Knife Fruit Knife Cooking KnifeFeature 1 The use of high quality silicon carbide materials can better protect the tool during grinding 2 The grinding wheel can be replaced the newly optimized grinding wheel replacement process3 The grinding wheel assembly adopts precision grinding bearings which can be smoother and longer life4 The surface adopts a clear design a soft and delicate touch a simple slender outline and an elegant proportion of the body which can be kept clean and tidy even in a greasy kitchen environment 5 Rough grinding and fine grinding twice three gears a wider range of applications can meet the needs of more tools Package includes 1 X Electric Knife Sharpener1 X USB Charging Cable