The Snackmaster food dehydrator comes with top mounted powerhead fan and clear cover to monitor drying process. Dries fruits, vegetables, and jerky quickly and evenly in hours, not days like ordinary dehydrators. Fan Flow Radial Air action forces air down the center of the unit and across each tray for fast, even drying. No need to rotate trays. Comes packed with 4 trays and can be expanded to 7 trays for increased drying capacity. Vita-Save speckled exterior trays help block harmful light which can destroy the nutritional content of food being dehydrated. All components are dishwasher safe except powerhead. Includes plastic side straps to secure dehydrator trays together for easy transport and storage. Powerful 400W.