From Nesco, this dehydrator features: 400 watts of drying power provides even heat distribution Detachable top mounted powerhead with fixed temperature control (160°F) (4) BPA Free trays with 0.75 sq. ft. of drying area per tray Expandable to 7 trays Proudly made in the USA of global and domestic components Includes a Jerky Seasoning & Cure sample and a 52-page recipe & instruction book Approx. 10" x 15" x15" Weight 5lbs Additional Add-A-Trays sold separately Made in USA.