Efficient & Even Drying: With an upgraded thickened heating tube and large fan, the heating tube generates heat while the fan circulates the warm air inside, evenly penetrating the food. The food dehydrator machine ensures even drying while preserving nutrients without loss Edge-bound Trays: The beef jerky dehydrator machine comes with six 304 stainless steel trays (11.02 x 7.87 in / 28 x 20 cm) for direct contact with food with peace of mind. The upgraded curved edge-bound design is smooth, preventing injury to hands, easy to clean, and can support heavy loads 6-Layer Large Capacity: This large dehydrator can hold up to six 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