Features:Start Automatically-- 2019 Upgrade Technology,Reinforced 4 Blades,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 room.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.Stove operating with normal surface temperatures between 122°F(50°C) and 716°F(380°C).[Energy Class A+++]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 up to 662°F(350°C), no deformation and no discoloration even after long time working under high temperature.Longer Lifetime-- There is a Bi-metallic safety device in the base of the fan.If the surface temperature rises above around 400°F (200°C),the safety device gently elevates the front of the fan to protect the TEG and motor. Specification:Color: BlackPower Supply equipment: Thermoelectric module (Heat Powered)Material: AluminumSpeed: 1400RPMAirflow: 120CFMStart temperature: 50℃Operating Temperature: 80-250℃ (176-482°F)Noise Level: 15-20dBRecommended distance: 10-20cmSize: 7.8*4.1in ( 19.7*10.4cm) Package:1x Fireplace Fan1x Temperature Monitor

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