SPECIALLY SELECTED MATERIALS:Our jerky dehydrator machine is made of food grade stainless steel. The tray can wash in the dishwasher. The machine also features a built-in LED light, so you can easily keeo an eye on your food as it dries, And the door has an the switch door magnetic induction 360 degrees HOT AIR FREEZE DRIER:The beef jerky dehydrator machine has a rear-mounted drying fan, 1000W of drying power, and 360 degrees air circulation technology, which helps to dry your food evenly. The machine does this without and locks in the original flavor of your favorite foods. 10/12 LAYER TRAYS FREEZE DRYER MACHINE:This food dehydrator has ten and twelve stainless steel trays that are food-grade 304 and measure 14.8 x 11.2 inch / 377 x 285 mm each. Each layer can hold up to 1.7 pounds of food, so you can dry different types of fruits and vegetables all at once. ADJUSTABLE TIMER & TEMP:This commercial dehydrator has a control panel which lets you choose the most optimal time and temperature for your ingredients. You can set the time between 0.5-48 hours, and the temperature can be adjusted between 86-194°F / 30-90°C.