400-watts of drying power Expandable to 7 trays and the warranty for this item is 1 year Clear top to monitor the drying process Fan forced radial air flow means no tray rotation needed Made in USA Now you can save money by making your own jerky, dried fruits, vegetable, trail mix and more. It means that you are not buying those foods in-store, with packages that end up in the landfills. That is sustainability and no wonder the powerful Nesco/American Harvest dehydrators are called the "Green" machines. Nesco builds the World's Fastest, Most Even Drying Dehydrators. The Nesco American Harvest FD-37 4-tray Food Dehydrator is 400 Watts of drying power to dry foods quickly and evenly for quality dehydrated fruits, vegetables and jerky. The temperature is preset at 160 degrees to dry everything from herbs and spices to jerky meats. Make your own snacks that are natural, healthier, better tasting, better for you and it costs less than similar type store bought snacks. Fan Flow Radial Air dries all trays evenly without the need to rotate the trays. Features a clear top to monitor the drying process and includes plastic side clips to secure the dehydrator trays for easy transporting and storage. Dries in hours, not days with no flavor mixing and no need to rotate trays. The FD-37 is packed with 4 trays and base and all components are dishwasher safe except the powerhead. Expandable to 7 trays by purchasing trays WT-2SG.