Stainless steel material: stainless steel body, easy to clean. Will not rust, adding to the unit’s durability and keeping stored condiments fresh. New Modern Design: Fully adjustable from fine to coarse grind, the LED light on the bottom automatically turns on when grinding. EASY FOR ALL: Battery operation makes grinding convenient and easy. Unlike manual grinders, just press the button on top and pepper every plate. Note that batteries are not included. (four AA batteries) Versatile: coarse salt, pepper, fine salt, cumin, black pepper, etc. ; use a dry colander instead of Himalayan salt or hard stuff. Dimensions: 5.2 x 22.5cm