Features: brand new and high quality 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. Long 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. Safty Design: The stove fan support is made with Anodized Aluminum, able to resist high temperature, no deformation and no discoloration even after long for time working under high temperature. 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. Whisper Quiet: Newly Designed Blade,Larger Air Volume,Lower noise.You don'for t even know the stove fan is there,but you feel the warmth!You will enjoy the warm air of a quiet and comfortable environment. Specifications: Material: Aluminum Alloy Color: Black, Bronze, Gold, Silver Product Dimension: approx. 155x140x155mm/ 6.10x5.51x6.10inches Net Weight: 940g/ 2.07lbs CFM: 160-200 Speed: 1400rpm Noise: Noise: ≤25db Start Temprature : Around 50°C WorK Temprature : 50°C-350°C Package Includes: 1PC 5 Blades Heat Powered Stove Fan note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.