【Multi-Purpose Grinding】Multi-function grain mill is perfect for daily use and can grind various DRIED/DEHYDRATED materials, including beans, peppers, chili, coffee beans, nuts, grains, cereals, spices, herbs, seasonings and so on. The nucleated or crusty materials should be removed the nuclear or the hard shell and then ground. ♣【Portable Small Size, 150W Motor】Portable grinding machine can be held by one hand easily; The compact design occupies minimal counter space and is easy to store in a cabinet or drawer. ♣【300ML Grinding Cup with Transparent Plastic Cover】Through the transparent cover, you can observe the grinding process and get coarse or fine powder. Grinding Capacity: about 50g-100g one time. And the different grinding time makes the powder fineness different. When grinding, the smoke-like particles you see are actually fine powder, Not Smoke. ♣【Clean & Maintenance】1. Don't wash the grinding cup with water directly or rinse the motor base. It's not waterproof. Please Use a brush or dry cloth for cleaning. 2. Recommend rest about 60 seconds after using for every 30-45 seconds for better motor maintenance and make sure the local voltage is 110V. 3. Recommend the ingredients to be ground should cover theand not exceed 2/3 of the grinding cup. ♣【One-Button Start, Easy to Use】Just press the ON/OFF button to start grinding job and release the button, the grinding will stop immediately. STEPS: 1. Pour the coffee beans into the grinder (not exceed 2/3 of the grinding cup at a time) ; 2. Close the upper cover tightly to make sure it is locked. (When in use, the cover must be closed tightly) ; 3. Press the button to start working, 10s pause once; 4. Cut off the power and pour out the powder