[PRECISION ELECTRONIC TIMER AND CUP QUANTIFICATION] – Precision Electronic Timer allows users to adjust grind time in 0.1-second increments and consistent dose every time. The cup number can be selected from 1 to 12 cups. [CUSTOMIZABLE GRIND] – 51 precise grind settings from the finest Espresso to the coarsest French Press Grind. [PREMIUM CONICAL BURR] – Durable 40-millimeter Stainless steel conical burrs designed to minimize grinding heat and protect the essential oils in the coffee bean, creating uniform grounds for optimal flavor extraction. [DESIGN FOR ESPRESSO] – Grind the coffee beans directly into portafilter by using portafilter cradle which is a real time saver. We provided 2 Portafilter cradle & 2 dosing rings. Portafilter cradle small 53 millimeter; Portafilter cradle large 58 millimeter; 53mm dosing ring; 58mm dosing ring. If your Portafilter doesn’t fit Cradle, directly grind coffee with Dosing Ring to avoid powder leak. [EASY TO CLEAN] – The coffee grounds residual cleaner is good for cleaning the residual coffee grounds. Please press the coffee grounds’ residual cleaner after each use. And the built-in brush, removable upper burr, hopper, and chamber for easy cleaning of the item. 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. Grind Intelligently with Dosing Technology. Pick the Grinder You Like.