Fast fan-forced drying. Adjustable thermostat - 90-155 degree thermostat gives you the flexibility to get the best results. Dries in hours not days. Expandable to 30 drying trays - Drying pressure adjusts automatically to the number of trays. . Accessories Included: 52 page recipe and instruction book No-spill fruit roll sheet Clean-a-Screen for easy drying of small items and Jerky Spice Packet and Cure for home made jerky. 1 Year Warranty