Premium 40 Millimeter Stainless Steel Conical Burr: Designed to minimize grinding heat and protect the essential oils in the coffee bean, creating uniform grounds for optimal flavor extraction. 51 Precise Grind Settings: Adjustable from the finest for Espresso to the coarsest for French Press Grind. Precision Cup Quantification and Electronic Timer: The cup number can be selected from 1 to 12 cups. Precision Electronic Timer allows you to adjust grind time up to 60 seconds in 0.1 second increments and consistent dose every time. Easy to Use: Grind the coffee beans directly into portafilter by using portafilter cradle which is a real-time saver. Easy to Clean: The anti-static technology makes the ground coffee chamber mess-free. The coffee grounds residual cleaner is good for cleaning the residual coffee grounds.