multi‑function grain mill perfect for daily use & can grind various dried/dehydrated materials including beans, peppers, chili, coffee beans, nuts, grains, cereals, spices, herbs, seasonings & so on. use with dry ingredients only; transparent cover lets you observe the grinding process; portable, compact design occupies minimal counter space; about 100 g–150 g capacity per use; one-button on/off operation—press to grind, release to stop; easy to maintain—do not wash the motor base, just use a brush or dry cloth; recommend pausing ~60 s after every 30‑45 s of use to protect the motor.