Main Features: -Start Automatically: Upgrade Technology,Faster Speed,Larger Air Volume.The heat powered stove fan is designed to circulate the warm air created by a wood / coal or pellet burning.Efficiently circulates warm air throughout the house.  -Eco-Friendly and Self-Powered: Thermoelectric module acts as a small generator to power the fan's motor. No batteries or electricity required Improved warm air circulation results in greater comfort and reduce wood consumption from your stove.  -Whisper Quiet: Newly Designed Blade,Larger Air Volume,Lower noise.You don't even know the stove fan is there,but you feel the warmth You will enjoy the warm air in a quiet and comfortable environment.  -Safty Design: The stove fan support is made with Anodized Aluminum, able to resist high temperature, no deformation and no discoloration even after long time working under high temperature.  -Longer Lifetime: There is a Bi-metal safety device in the base of the fan.If the surface temperature rises above around 300°C, the safety device gently elevates the front of the fan to protect the TEG and motor.    Specification Blade Qunatity: 5;  Air Flow: 160-210CFM;  Speed: 1400rpm;  Noise: ≤ 25dB;  Start Tempereture: around 50℃;  Work Temperuture: 50℃-350℃;  Material: Aluminum Alloy;  Color: Black/Bronze/Gold/Silver;  Dimension Package Weight: 0.7kg;   Product Size: 15.00 x 5.20 x 15.50 cm;    Package Contents 1 x Stove Fan