Automatic Combo Salt and Pepper Mill, Grinder, and Shaker, Battery-operated. Set of 2. Acrylic with Rubber Coating Housing. High Quality Precision Ceramic Grinder, Adjustable, consistent grind settings, from fine to coarse Two chambers for both salt and pepper in one grinder Measures approximately 8 Inches Tall, High Quality Grinding Mechanism Electric - Battery Operated. 4 x AAA Battreies (not included)