5-blade heat stove fan, quiet operation, hot air circulation, no battery required for wood burning, red and green

Function: 1. Equipped with 5 blades, which have a faster speed and greater air volume than 4 blades. 2. The active heat stove fan is designed to circulate the hot air created by burning wood/coal or pellets, and efficiently circulates the hot air throughout the room. 3. The noise level of this stove fan is less than or equal to 35 dB, providing you with a quiet environment. 4. The fan speed depends on the stove temperature. When the stove temperature is higher, the fan speed increases. When the stove temperature is sufficiently low (the fire is out), the fan speed slows down until it stops. 5. No batteries or AC adapter required, convenient to use, cost-effective. Specifications: Features: [5-Blade Design] Equipped with 5 blades, which have a faster speed and greater air volume than 4 blades. [Fuel Saving] The active heat stove fan is designed to circulate the hot air created by burning wood/coal or pellets, efficiently circulating warm air throughout the room. [Quiet Operation] The noise level of this stove fan is less than or equal to 35 dB, providing you with a quiet environment. [Automatic Speed Adjustment] The fan speed depends on the stove temperature. When the stove temperature is higher, the fan speed increases. When the oven temperature is low enough (the stove fire is out), the fan speed slows down until it stops rotating. [Eco-friendly and energy-saving] No batteries or AC adapter required, convenient to use, saving costs. Specification: Type: Stove Fan Material: Aluminum Oxide Color: Black/Gold/Red and Green (optional) Number of Blades: 5 Air Volume: 180-210 Wind Speed: 800-1100 rpm Noise: ≤35dB Operating Temperature: 60-350℃ Item Size: 19.5 * 14 * 10 cm / 7.68 * 5.51 * 3.94 inches Item Weight: Approx. 510 g / 17.99 oz Package List: 1 * Stove Fan 1 * Thermometer Package List: 1 * Stove Fan 1 * Thermometer