Using Tips: 1. This commercial coffee grinder machine can only be turned on after fully buckling the lid. 2. The materials ready for grinding must be dry enough. 3. Rest the machine for 5–10 minutes after every 5 minutes of operation. 4. Ensure the grind materials cover the long blade and no more than 2/3 of the jar. 5. Don't clean the grinding tank with water directly. Instead, use a dry rag or brush to clean the machine. Multipurpose Dry Grinder: The powder machine can deal with various dried materials, including ① grains (soy, corn, barley, wheat, oats, rye, peas, coffee beans), ② spices (fennel, pepper, cinnamon, rosemary) ③ others (When grinding other tough items, please first slice them into small pieces). (Not suitable for wet, fresh, oily, or sticky materials.) It is widely used in families, kitchens, hospitals, and medicine processing factories. Upgraded Double Safety Designs: The wheat berry grinder automatically stops when the lid is opened, enhancing safety and protecting the user from injury. When the grain grinder is overloaded, the overload protector will work automatically to control the operation. In addition, the powder grinder is easy to operate with a 0-5 min timer. Durable Material: The electric small spice grinder is made of food-grade stainless steel, featuring durability and no processing pollution. The buckle structure features good sealing and high-security ability. If you are unsatisfied with the grinding effect, you can sieve out coarse particles and grind them again for finer results. Super Smash Function: Motor Speed: 28000(r/min); Operation Time: 5 mins; Interval Time: 5–10 mins; Crushed Level: superfine mill; Principle: high-speed grinder. Fitness: 30-300mesh. Three-layer blade with a crushing blade, horn blade, and powder removal blade, It only takes 30 seconds to grind all kinds of dehydrated food into fine powder.