Grinder details, top class Ability to connect the grinder to the Acaia app to update the built-in smart scale 30 different grind settings with 9 micro settings, bringing the total grind settings to 270 Grinding speed from 5.3 to 5.5 grams per second 40mm stainless steel conical burr Bean hopper capacity 285 grams Bean container capacity 180 grams Ability to close the bean hopper High-efficiency motor that keeps beans cool during grinding Usage period: two months, agent warranty Original box and accessories are available