THERMODYNAMIC STOVE FAN: This thermodynamic fan circulates warm air produced by wood, coal or pellet burning stove, uses 28% less stove wood, more environmentally friendly POWER SAVING: Auto start fan uses thermoelectric module as a small generator to drive the motor of the fan, there is no battery or electricity needed, saving energy and electricity HIGH PERFORMANCE: This heat powered stove fan has faster speed, larger air volume and low noise, brings greater comfort ALUMINUM BRACKET: The bracket of the wood burning fireplace fan is treated with anodized aluminum, which will not deform and discolor even if it works for a long time at high temperature Item Type: Heat Powered Stove Fan Material: Aluminum Alloy Color: Black Best Operating Temperature: 80C to 250C (176F to 482F), can not exceed 350C (662F) Package List: 1 x Heat Powered Stove Fan 1 x Manual.Items from Sheng Xinshun's shop