[Automatic Grinding] - The pepper grinder operates on batteries (uses 4 AAA batteries, not included) and provides consistent power for effortless grinding. A single button allows you to season your food with ease. [Adjustable Grinding Thickness] - Turn the knob on the bottom to adjust the grind size according to your preference. Rotate clockwise for finer grains and counterclockwise for a coarser grind. The detachable grinding head allows for easy cleaning, helping prevent odor and residue buildup. [Transparent Window] - Clear viewing window lets you easily identify spices and monitor fill levels. The built-in LED light helps illuminate the chamber, making it easier to see remaining contents. [USB Rechargeable Pepper Grinder] - This electric salt and pepper grinder set features a built-in rechargeable 1200mAh battery (4 x 300mAh), a charging base that serves as both a charger and storage stand. Charges via included Type-C USB cable. Provides approximately 30 uses on a full charge. Package includes: charging base, instruction manual, USB cable, and cleaning brush. Simply place the grinder on the base to charge. [Elegant Design] - Sleek and stylish, this grinder set makes a great gift for any occasion. Ideal for baking, cooking, or table use, and a practical addition to any kitchen or dining setup. Color: Black Material: ABS Package Contents: 2 x Grinder (AAA batteries not included) 1 x Charging Base 1 x USB Cable 1 x Cleaning Brush Note: Light reflection and screen differences may cause slight color variations between the image and actual product. Measurement may vary by +/- 1-3 cm.