The Tribest Sedona Combo offers outstanding features to add convenience and health to your kitchen with dual fan technology, two-stage sequential Temperature-Timer (TST), and a digital control panel. The Sedona Combo provides quiet operation, energy efficiency, and well-balanced distribution of airflow with the dual fan technology. With the TST, the Sedona Combo can be set to a "Fast" mode for the first few hours, and then automatically switch to Raw mode for the remaining time, perfect for foods with higher water content to prevent fermentation. With its elegant design and digital controls, the Sedona Combo is the smart appliance to make healthy living easy.