7 HEIGHT ADJUSTABLE RACKS: The food dehydrator is equipped with 7 BPA-free trays that can be rotated 180 to provide two adjustable heights, offering ample drying space for different sizes of food. Place the food in a single layer, allowing air to circulate around each piece. TIMER & TEMPERATURE RANGE: Drying time is adjustable from 1-24 hours and temperature from 95-158 F(35-70 C). LED display shows the set temperature, time and remaining working time. Easy to dehydrate a variety of foods at accurate time and temperatures, remove moisture from food and retains most of its nutritional value. EASY TO USE FOOD DEHYDRATOR MACHINE: The fruit dehydrator is easy to operate with a simple button press to set the timer and adjust the temperature.