Details: Thermal Power Fireplace Heater Five Blades Fireplace Heating Fan Efficient Air Heater Low Noise Fan Features: 1. Low temperature start: faster speed and greater air volume. No need for batteries or electricity, start at low temperature, save fuel, and enjoy heat faster from the stove. 2. Environmental protection and self-powered: The thermoelectric module acts as a small generator to drive the motor of the fan. No battery or electricity is required. 3. Safety design: The furnace frame adopts oxidation treatment and can withstand high temperatures up to 350?. Even if it works for a long time under high temperature, it will not deform or fade. 4. Simple design: The style is more in line with the public& 39;s aesthetics, and the simple blades drive the big wind. The thermodynamic fireplace fan uses thermoelectric technology to convert the temperature difference into electricity. Specifications: Operating temperature range: 122?-662? (50?-350?) Air volume unit: 160-210 Product size: length: 160mm, height: 185mm Net weight: 0.46kg Power: thermoelectric module Material: aluminum alloy Number of blades: 5 Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.