No batteries or electricity required. It is driven by the heat generated by the fireplace or wood burning stove and conducts to the fan base to drive the blades. You will hear virtually no sound at all. And it improves the circulation of hot air in the room for greater comfort. This 5 blades wood burner fan is designed to deliver a very broad thermal current,so it disperse heat from the stove more efficiently and raise the temperature of your room quickly. No assembly needed, just put the stove fan on the top of stove, the fan will spin with the temperature getting higher. Specifications
