Patented Conical Stones for effective grinding and low batter temperaure. The motor speed (without load) is 1350 RPM and the drum speed (with load) is 135 - 140 RPM AISI 304 Rust Resistant food-grade Stainless Steel for healthy food 2L Capacity Dish Shaped Multi-utility drum - Batter can be stored in the same drum after grinding 150 Watts Motor - Powerful 150 Watts Motor for better grinding ABS Body - Lighter Weight, Longer Life and Great Looks Batter Cleaner for easier cleaning of the cocnical stones Optonal Attachements - Coconut Scrapper and Atta/Dough Kneading accessory can be bought seperately