Royal Sovereign HFN-20 is an oscillating fan heater with two heat settings and an adjustable thermostat for maintaining a comfortable room temperature. It features a built-in overheat and tip-over protection for safety and can oscillate to distribute heat evenly throughout the room. The fan-only setting provides a cooling breeze without heat, making it suitable for year-round use. With its compact design and easy-to-use controls, the Royal Sovereign HFN-20 is an ideal heating solution for small to medium-sized rooms.