Dehydration is the healthiest, easiest, and most economical way to preserve foods. Load the trays and set the temperature. This easy-to-use beef jerky maker and fruit dryer machine dries the contents of all trays evenly, so everything's done at once. Dehydration concentrates the natural flavor, sweetness and aromas of your food, leaving you with a flavor that's far healthier than high-fat snacks and high-sugar candies that are filled with chemical preservatives. The Excalibur 4-Tray Food Dehydrator provides 4 square feet of drying space. This food dryer dehydrator for jerky also includes a 4-inch fan, a built-in on/off switch and an adjustable thermostat. This Excalibur dehydrator allows you to cook food at lower drying temperatures, which increases the immunity boosting vitamin value of your favorite foods and keeps it boosted for up to 9 months when stored in an airtight container. So, the next time you are looking for ways to improve your wellness, take on a tortoise mentality and know that low and slow will win the immunity race. Your body will thank you! Includes Guide to Dehydration, so you can learn how to dehydrate all types of foods.