Capacity and durable: holds approximately 2.3 oz of pepper; requires 4 AAA batteries (battery not included) for operation. Adjustable 5 levels of coarseness: the pepper mill features an adjustable grinder knob, allowing you to easily select the desired grind size for pepper, salt, or other spices. Switch button & LED light: equipped with a rounded square button with CD pattern design; grinding is activated with a simple press. The built-in LED light automatically illuminates during operation. Easy operation: press the button to activate automatic grinding for black pepper or salt; enjoy quiet and convenient seasoning with immediate results. Note: The base shown in the image is not included in the package. Color: Black Material: Stainless steel + ABS Package Contents: 2 x mills 1 x instruction manual Only the items listed above are included; other products are not included. Note: Due to light reflection and differences in display screens, the color of the item in the picture may vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.