Environmentally Friendly - Powered by heat, no batteries or electricity. Taking full advantage of the heat from the stove, CXhome fireplace fan is designed to distribute heat throughout the room. Circulate the heat reasonably, no need to move to the fireplace, no longer bothered by the cold! Automatic and Quiet Operation - When the temperature of the fireplace reaches 40C, the fan automatically starts to rotate . 80-345C is the normal operating temperature. The higher the temperature, the faster the fan spins and the stronger the heat spreading ability! It is worth noting that the whole process is quiet (less than 25db), even if you are resting next to it, without any influence!High Efficiency - A sawtooth-shaped heat sink of Large surface area helps dissipate heat more effectively. When the temperature reaches around 40C, the blades rotate, the heat is diffused directly into the environment without the need to rise and fall. Distributes heat to every corner of the room more quickly and efficiently!Ergonomic Design - The hard material base is resistant to temperatures up to 500C or 932F without worry to melt during operation. A baffle equipped behind prevents the circuit board from being directly exposed, safe and beautiful! A small handle on the fan is easy to carry, without any effortBest Winter Gift - Winter means the arrival of cold weather. In case no heater is installed, our wood stove fan makes it easy to distribute the heat from the stove to the entire room. Bring warmth to every corner of your life, no longer stuck in the cold! Best gifts for winter!