Product Name: Electric pepper grinderMaterial: stainless steel, acrylic, ceramic grinding coreSize: 5.7*20.2cmMaterial: stainless steel, acrylic, ceramic grinding coreScope of application: sea salt, black pepper, white pepper, and other solid particlesSteps for usage:1. Remove the glass container and place the seasoning into the grinder.2. Remove the black casing and install the battery3. Close the body and cover4. Adjust the grinding roughness5. Invert the pepper grinder and start sprinkling with pepperNote: Each pepper grinder requires 6 AAA batteries that are not included