EVEN HEAT DISTRIBUTION: 500-watt 4-tray food dehydrator dries in hours instead of days and opaque vita-save exterior helps block harmful light which destroys nutritional content of food being dehydrated ADJUSTABLE THERMOSTAT: Top-mounted fan; adjustable thermostat from 95°F to 160°F CONVERGA-FLOW SYSTEM: Converga-Flow drying system pushes heated air up and across each tray, without having to rotate them EXPANDABLE TO 12 TRAYS: Comes with four 13.5 inch BPA Free trays, so you can dry large quantities at once with no tray rotation needed; additional trays sold separately MADE IN THE USA: Proudly made in the USA of global and domestic components ACCESSORIES INCLUDED: Includes 1 fruit roll sheet and 2 original-flavor jerky spice and cure packets