Trudeau Graviti Battery-Operated Pepper Mill, Yellow Battery-powered pepper grinder that turns on when tipped upside down Fun and practical design with grind-level adjuster knob and ceramic grinder Works well for either peppercorns or sea salt; comes filled with peppercorns Runs on 6 AAA batteries, not included; stands 7-3/4 inches high Washing by hand recommended; available in several colors; 5-year warranty