[Automatic Grinding] - The pepper grinder operates on batteries (uses 4 AAA batteries, not included) and features a single-button design for effortless grinding with just a touch. [Adjustable Grinding Thickness] - Adjust the grind size by turning the knob on the bottom of the grinder. Rotate clockwise for finer particles and counterclockwise for coarser grinds. The detachable grinding head allows for easy cleaning to prevent odor and residue buildup. [Visual Transparent Window Design] - Clear window enables easy identification of spices and seasonings. The built-in blue LED light helps monitor the salt and pepper levels and provides visibility into the storage compartment. [USB Base Rechargeable Pepper Grinder] - This electric salt and pepper grinder set includes a built-in rechargeable 1200mAh (4 x 300mAh) battery. Comes with a multifunctional charging base that serves as both a charger and storage stand. Features a contact charging design and provides approximately 30 uses per full charge. Package includes: charging base, instruction manual, Type-C USB cable, and cleaning brush. Simply place the grinder on the base to charge. [Fashion] - Sleek design makes it a great gift for any occasion. Ideal for baking, grilling, or everyday use, and a stylish addition to any kitchen or dining table. Color: Black Material: ABS Package Contents: 2 x Grinder (AAA batteries not included), 1 x Charging Base, 1 x Data Cable, 1 x Cleaning Brush Note: Light reflection and display differences may cause slight variations in color. Measurement may vary by +/- 1-3 cm.