Metallic flat burr grinder for coffee lovers;Burr mill system avoids overheating, preserves aroma and has grind fineness selector for a precise grinding;9 grind levels: From fine (espresso) to coarse (french press) to perfectly grind every type of coffee beverage;8 oz. Clear bean container; quantity selector from 2 to 12 cups to grind the exact quantity you need;Auto stop safety mechanism: the unit will not grind if the bean container is empty