1.This stove fan is powered by transforming heat into energy, without using any battery or electricity.
2.The range of working temperature is about: 1122°F~662°F / 50°C~ 350°C, higher the temperature, faster it starts to spin.*** Attention: the temperature can not be over 662°F when using the stove fan.
3.Can circulate heat throughtout the rooms.
4. Silent work and no noise