🔥【Automatic Operation & Costs Nothing】No installation, no trouble, no battery or power supply! Just put the stove fan on the stove which has a smooth and hot flat surface, it will rotate as the temperature rises. Easy and efficient! 🔥【Energy Saving & Environmental Protection】The heat powered stove fan is designed to circulate the warm air created by a wood /coal or pellet burning. Make full use of the heat from your wood stove and quickly disperse it into your room. The room will heat up faster. It continues to circulate hot air to keep the room warm all the time. Less Consumption and More Efficiency！ 🔥【Overheat Protection Device】The fan is made of anodized aluminum, so the fan will not rust or corrode over heat, so it is strong and durable. A bimetal safety device is installed at the bottom of the fan. If the surface temperature exceeds 345℃, the safety device gently lifts the front end of the fan to reduce the contact surface between the fan and the wood stove to protect the TEG and starter. 🔥【Whisper Quiet】Quietly work, no more noise. The unique blade design can drive more warm air, running quietly. You will enjoy warm air in a calm and comfortable environment. The only moving parts are the blade assembly. You didn't even know the fan was there, but you felt the warmth! 🔥【High-Strength Aluminum & High Performance】 The fireplace fan is made of high-strength aluminum alloy. The surface of our stove fan is fine and neat. It is no deformation and no discoloration after a long time working under high temperatures. High performance TEG module and starter. The warmer the base of the fan, the faster the fan rotates. It will slow down and stop while the stove is cooling down. Operating temperature: 85℃ -345℃