Specification:Material: stainless steel, acrylic, ceramic grinding corePower supply: electric and gravity size: 5.71 * 2.75 * 8.35inchesColour: BlackLight: blue LED lightprompt:1. Remove the glass container and put the seasoning in the grinder (filling amount is less than 80%)2. Remove the black casing and install the battery (not including the battery)3. Close the body cover4. Adjust the grinding roughness as required5. Invert the pepper grinder and start sprinkling peppernotes:Try to avoid using it when cooking on a steamer, or dry immediately after use, as condensation may cause them to clogEach pepper grinder requires 6 AAA batteries, which are not included in the packageTo avoid confusion, the salt or pepper shown in the picture is not included in the package you receivedClean the outside of the mill with a soft damp clothBe careful not to place it out of the reach of children