DeLonghi DUH300 is a fan heater that offers a wide range of features to keep you warm and comfortable during the cold winter months. With two heat settings, you can customize the temperature to your liking, and the thermostat will automatically maintain the desired temperature. The anti-freeze function keeps the room at a temperature of approximately 41° F (5° C) with minimal energy expenditure, and the overheat safety light and automatic shut-off provide peace of mind.