Warnings and usage: Do not grind more than 60g of beans per use - it's not a large batch grinder. Do not grind very light or very dark roasts at 0-2 clicks.  This will overheat the grinder Do not wash, keep away from water Avoid fast chargers.  Use 5V - 1A or 2A adapter (small phone charger) Do not shake grinder while working Keep fingers and all other body parts out of the grinder while operating! https://www.youtube.com/watch?v=Y9FT6meM9jU