How to use the grinder: 1. Make sure the switch is off. 2. Never use more than 2/3 bowls. 3. When using, the top plastic cover should be tightly closed. 4. Suitable for: grinding coffee beans, peanuts, beans and beans, almonds, etc. (these solids must not contain water) 5. Either way, the machine can run for 30-45 seconds until the solids are satisfactorily crushed. If used for more than 45 seconds but not more than 60 seconds, the machine should rest for 60 seconds before it can be used again. Features: - Perfect for home, office, etc. - Visualization of the cover of the transparent cup - Different grinding times and different degrees of detail - One button switch for easy operation - DIY food, healthy and healthy - One click powder, easy to use Note: *The machine only supports grinding dry food *To ensure the service life of the machine, it is recommended to use the working time intermittently, stop for 1 second for about 5 seconds, and repeat the operation to know the status ideal. *To avoid water damage to the machine, the main unit cannot be washed with water. *Please allow slight error due to manual measurements, thanks! * Due to the different display and different light, the picture may not reflect the actual color of the item. Thank you for your understanding.