1000 watts of drying power. Converga 2400-RPM flow-drying fan works fast. Adjustable thermostat 95-160 degrees F. 4 trays included; expandable to 20. Digital controls for precise time and temp. Includes bonus screen, fruit roll sheet, and recipe book. Dimensions: 15.5W x 15.5D x 9.75H inches. Dry your food in hours, not days with the Open Country FD-1022SK 4 Tray Gardenmaster Digital Food Dehydrator. The powerful 1000-watt patented Converga motor includes a 2400-RPM fan that draws air up through the center to avoid flavor mixing. New digital controls let you set precise temperature and drying time for consistent nutritious perfection without an external timer. Food dries evenly so you don't have to rotate trays. Includes a bonus fruit roll tray, Clean-A-Screen and a 39-page instruction and recipe book. Trays and screens clean easily and are all dishwasher-safe. This compact unit is only 15.5W x 15.5D x 9.75H inches big, so it fits anywhere. Plus, the handsome speckled green finish will look great for years. One-year quality guarantee. It's faster, better, and more fun!