Description This stove fan is powered by transforming heat into energy, without using any battery or electricity. So it is eco-friendly and low energy consumption. When the fan is getting hot, can circulate heat throughout the room. The hotter the surface of the furnace, the more air circulating in the fan. Features - Material: Oxidized aluminum alloy. - Size: 17 x 17 x 15 cm/6.68 x 6.68 x 5.89 inch. - Rotate velocity: 1100 r/min. - Blades: 4pcs. - Operating Temperature Range: 60°C - 350 °C. - Air Volume Unit: 180-210 FM. - Noise: 25 db. - Generate power by converting the heat from your fireplace or stove. No electricity needed. - Not so much air volume as electric fan, but enough to blow the hot air to the whole room. - Extremely quiet while working. Say good-bye to the loud noise of electric-forced fans! You won't even know the fan is there, but you'll feel warm all the time. - Made of material, heat-resistant and durable to use. It can reach the temperature of the 60-350 - The heat power fireplace fan is made of oxidized aluminum alloy and will not rust or corrode.Package list: 1 x fireplace fan