Using 4 AAA alkaline batteries(without battery), grinder is efficient and stable. It about 2.30z of pepper with a new batteries and is capable of thousand of grinding for the product life. Pressing the button triggers the automatic grinding of black pepper or salt as you like. Just watch it quietly and simply wait for the meal flavor to be elevated. A Simple Press to Grind for FlavorsAutomatic Grinding | Adjustable Coarseness | Food-grade Material [Fashion Packaging]- The elegant design and exquisite gift box of this pepper grinder a great gift for any occasion, perfect for baking or grilling, and a addition to your kitchen and dining table. [Versatility]- This electric pepper grinder can grind a of spices like , sea salt, white and black pepper, and Sichuan . Color: silver Material: stainless steel +ABS Package Contents: 1 x Electric Pepper Grinder(Without 4 x AAA battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.