B^gVXaZ9Z]nYgVidg B:.,' Four trays made of a durable, transparent material. Two thermostatcontrolled drying temperatures for proper, uniform drying. Temperature setting 1 heats the interior to 103° for gentle drying. Temperature setting 2 heats the interior to 130° for quicker drying of thicker, moister foods. Built with a safety overheating protection device. Easy to use and clean.