Just by simply pressing the lid with different time to custom grind settings. Get desired powder in 20 seconds or less. No flavor contamination. One grinder bowl with 2 blades for dry grinding like coffee bean and grains; one chopper bowl with 4 blades for wet grinding like garlic and basil. Bowls are removable and easy to transfer powder and to clean. High-quality stainless steel blade and 200W powerful motor ensure continuous and even grinding for better maintaining the original flavor. Steady and Safety lock and nice sealing ring effectively prevent powder splashing. ETL approved. 120V. 2 in 1 spoon with brush. 6-month hassle-free replacement.