Bullet Points: 16 Vanes Upgraded Fireplace Fan: The fireplace fan is placed on the mantel, and uses the temperature/heat energy on the mantel to generate electricity and drive the fireplace fan. The rotation speed of the fan depends on the combustion temperature in the mantel. The higher the temperature of the stove, the faster the rotation speed. When the stove temperature is so low that the flame is extinguished, the rotation speed of the fireplace fan slows down until it stops rotating. The normal working temperature is 50C to 350C. 2Product Structure: Aluminum heat scattering sheet, thermoelectric module, bimetallic heat conducting film, fan vanes. 3Environmental and Energy Saving: The improved hot air circulation of high-temperature self-generation can bring greater comfort, and the use of stove timber is reduced by about 28%. 4Safe Design: The bracket and base of the fireplace fan are treated with anodized aluminum, which can withstand high temperatures up to 752F (400C), and will not deform or discolor even after working for a long time at high temperatures. 5Longer Service Life: The fan base is equipped with a bimetallic security device. If the surface temperature exceeds 250C, the security device will gently lift the front of the fan to guard the TEG and motor. Specification: Model: DY3006 Operating temperature range: 122F~662F (50C~350C) Air volume range: 160-220CFM Wind speed range: 1000-1600rpm Number of leaves: 6 vanes Noise: 25db Pipe size for wall-mounted models: smoke pipe diameters of 5, 6, and 7 inches are available. Hanging models: Weight: net weight about 658g, gross weight about 958g Size: about Length 170MM*Width 116MM*Height 170MM/6.69*4.57*6.69in Single package size: about 200*185*210 mm/7.87*7.28*8.27in Stand model: Weight: net weight about 605g, gross weight about 787g Size: about length 130MM*width 100MM*height 180MM/5.12*3.94*7.09in Single package size: about 180*126*210 mm/7.09*4.96*8.27in Packing List: 1*Fireplace Fan Notes: 1.Due to the lighting effects and shooting angles, there is color difference in the product, please understand. 2.Due to manual measurement, there is a tolerance in the product size. Question 1: How does it work without battery or power supply? Answer: The fireplace fan does not require batteries or electricity, and generates its own power through the surface heat of the stove. The fan base transfers heat to the power generating device, and the power generating device converts heat energy into kinetic energy to drive the motor, and then the vane rotates. Question 2: What type of stove is suitable for fireplace fans? Answer: Necessary accessories-stove fans are widely used in gas stoves, electric stoves, bullet stoves or timber-burning stoves, stove fans can work well and effectively disperse hot air. The fan base and vanes are made of high-strength aluminum alloy, so that the furnace fan has no burrs and the surface is fine and clean. Don't touch it! It is hot during use, do not touch the rotating vanes. To move or carry the fan, be sure to use the retractable handle while wearing gloves. Keep away from children and pets! Keep the fan away from children when using it. Make sure that children and pets around the stove are supervised. When the fan is in use, place all obstacles at a distance. Best location! If the fan base is still hot, never place the fan on an unprotected surface. Do not place it in front of the chimney, keep a distance of at least 4 inches (approximately 10.2 cm). Make sure that the wooden stove fan is placed on a flat surface.