Adjustable thermostat provides the flexibility to dry fruits and vegetables, as well as dehydrate soups and sauces. * Easily handles up to 14 trays. Drying pressure automatically adjusts as trays are added. * Exclusive light blocking feature of the comtemporary granite exterior helps retain more vitamins and nutrients during the drying process. * Healthy and economical- food dried at home is preservative- free and is just a fraction of the cost of store bought goods. * Perfect for trail mix, granola, fruit and vegetable chips and fruit rolls.