5 Blades Fireplace Heat Power Heating Stove Fan. FEATURES: Start at Low Temperature: Faster, Larger Air Volume. Designed to Circulate Warm Air Generated by the Wood/coal or Pellet Burning Stove. Normal Surface Temperature is 50°C~350°C /122~662. Environmental Protection and Self-powered: The Thermoelectric Module Acts As a Small Generator to Drive Motor of Fan. No Batteries or Electricity Required Improved Hot Air Circulation Brings Greater Comfort, Fuel Consumption is As Low As 17%, Fuel Saving, Enjoy Heat from the Stove Faster. Safety Design: The Furnace Support is Treated with Anodized Aluminum, High Temperature Resistance As High As 662°F (350°C), Not Be Deformed or Discolored Even After Working at High Temperatures for a Long Time. Silent Operation: As the Furnace Heats Up, the Wood Stove Fan Runs Faster and Faster, Dissipating Heat to the Far Corners of the Room. It is Almost Silent. Overheating Protection: Bottom Built-in Bimetal Strip to Slightly Raise the Edge of Fan when It is Close to the Maximum Operating Temperature to Protect Motor and Thermoelectric Module. SPECIFICATIONS: Material: Aluminum Alloy Model: SF103S Operating Temperature Range: 122 Degrees F to 662 Degrees F (50 Degrees C to 350 Degrees C) Air Volume Unit: 150-180CFM Size(approx.): Length 110mm/4.33in Height 145mm/5.71in Power: Thermoelectric Module INCLUDES: 1 * Fireplace Fan . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.