The electric pepper grinder uses a high-quality ceramic rotor, so you can easily adjust the grinder knob to grinder your spices, salt or pepper from coarse to fine. When flipping the electric pepper grinder, there will be a blue automatic led light, you can easily see the amount of salt and pepper you put in the food. The container of this grinder has a big and wide mouth design that is easy to refill spices and clean. The transparent body made of thickened acrylic and keeps spices fresh, healthy and easier to observe. The battery operated pepper mill grinder is suitable for black pepper, white pepper, sea salt and other solid grain seasonings.