Are you worried about that there is too much the heat waste from the fireplace? And the fireplace fan can help you solve the problem, change the orientation of the heat and let your room more warm. No battery or other electricity, convenient for you to use. Features - Color: Black. - Material: Anodised aluminium. - Size: About 13.00X16.00X21.00cm/5.11X6.29X8.25inch. - Starting temperature: 60 degree centigrade (122°F). - Maximum working temperature: 400 degree centigrade (750°F). - AirFlow: 150-180CFM (cubic feet per minute). - Noise: <32dB. - Generate power by converting the heat from your fireplace or wood-burning stove. No Electricity Needed. - Not so much 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 to use. - it off occasionally, and put some light oil on the shaft to keep it smoothly and quietly! Package list: 1 x thermal power stove fan