Rotary Dehydration: The innovative rotary dehydration, a fan and a circulating airflow design ensure even heat and airflow distribution. This food dehydrator machine even dries various ingredients while preserving nutrients without loss 304 Stainless Steel Round Trays: The beef jerky dehydrator machine comes with twelve 304 stainless steel trays (11.81 x 11.81 in / 30 x 30 cm) for direct contact with food with peace of mind. These durable trays offer excellent weight support, with a design that prevents them from falling 12-Layer Large Capacity: This large dehydrator can hold up to twelve layers of food at once, drying large amounts of ingredients in one go. Control with a smart digital display, adjustable from 86 to 194 / 30 to 90, and a 24-hour intelligent timer means no need for manual supervision