Instant operation: The fan is powered directly by heat, no power supply batteries are required! The fan starts automatically when the oven chamber temperature reaches 50°C and automatically turns off when the pan has cooled down. A thermometer is included to help you monitor the temperature of your fireplace. Distributes warm air: Our fireplace fan helps you blow and circulate warm air throughout the room instead of letting it rise to the ceiling in the corners. This better distribution of warm air allows you to better enjoy the warmth of your room. HIGH QUALITY: Our fans are made of anodized aluminum. The blades are wear-resistant and have good thermal conductivity. It will not deform or oxidize even if used for a long time at high temperature. Space saving: This fan can be directly attached to the chimney pipe/wood stove/fireplace without taking up extra space. It will stand stable and not bulky. Ideal for round stoves or stoves with little or no flat surfaces. Quiet and silent: The