Create jerky and other delicious dry food with the Excalibur 3900B black 9-rack food dehydrator! This dehydrator features nine interior racks to hold a variety of different foods or large quantities of your most popular snack. Its On/Off switch and adjustable thermostat and it can dehydrate food at temperatures between 40.6°C and 73.9°C (105°F and 165°F degrees). It includes a 600-watt 17.8 cm (7 in.) fan for excellent air circulation, and it comes with a guide to dehydration so first-timers can easily learn how to dehydrate food.