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. Keep static at bay. Press decrease or increase button to adjust the grind time in. Installed the portafilter touch the portafilter activation switch to start work. Use Espresso Machine to brew a perfect espresso. If your Portafilter doesn’t fit Cradle, directly grind coffee with Dosing Ring to avoid powder leak. Grind Intelligently with Dosing Technology. Pick the Grinder You Like.