1,Heat Powered: This silent stove fan is the perfect addition to every home. Requiring no batteries or electricity, but simply the heat from your stove fan, this fan allows you to get the maximum heat from your log burner stove. Widely used for stove, gas stove, pellet stove and more.2,Overheating Protection: No batteries or mains electricity required, the thermoelectric module acts as a small generator to power the fan's motor. The fan base and propeller are made from anodized aluminum which is rust-proof, hard-wearing, with good thermal conductivity.3,Easy to Use: This small stove fan sits on top of any stove or burner, with no set-up required. Simply place on your stove and enjoy a warmer room, as your fan will circulate warm air using the heat from your log burning stove. With a starting temperature as low as 50 C, this fan is perfect for every stove.4,Quiet Operation: The perfect fan for stoves. This fan is so quiet it will go unnoticed in any room. Spread heat around room and increase temperature with low noise, improve warm air circulation results in greater comfort and reduce wooden materials consumption from your stove. More stable. With no noise, you can enjoy the warmth of your small stove in peace.5,Monitoring the Temperature: Recommended surface temperature is between 122F - 662F (50C - 350C). If the fan doesn't run in time after reaching the temperature, please move the propeller slightly (do not Press it directly with your hands. The maximum temperature that the product can withstand is 350 degrees. Exceeding this temperature may damage the motor.Please test the temperature of the fireplace before purchase and pay attention to monitoring the temperature change during use.Overheating protection, the in-built bi-metallic strip at the base of the stove fan is designed to raise the edge of the fan slightly as the maximum operating temperature is approached to defend the motor and the thermoelectric module.Power supply equipment: Thermoelectric module (Heat powered)Airflow: 203CFMStart temperature: 40Working temperature: 50-350Noise level: 15-18dbRecommended distance: 10-15CMWorking Principle:Heat powered stove fans use thermoelectric technology to convert temperature differences into electricity in the center of the fan. There is a unique thermoelectric module when heated, the module creates hot and cold sides, causing electrons to flow into the module and generate electricity to operate the fan. This is also called Seebeck effect.Note:The Heat powered stove fan does not bring direct temperature increase but only a tool to accelerate the heat transfer of the chimney.size:160x85x165mmMaterial:Aluminum alloycolour:BlackPackage Contents:1 x Fireplace FanOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.