IMPROVE STOVE PERFORMANCE: This heat-powered 3 blade stove fan increases the efficiency of your freestanding stove, oven or wood/log burner by effectively distributing heat.NO POWER SOURCE REQUIRED: With a thermoelectric module that acts as a small generator, it powers the fans quality motor. No batteries or electricity is required.SELF REGULATING: This fan operates accordingly to the temperature of the stove Max airflow 180 CFM with self-regulating speed.ECO-FRIENDLY & ENERGY SAVING: Theres no need to invest in additional heat sources or turn up the power on your stove, you can efficiently distribute heat with this stove fan alone.Wood Stove Fan Whisper Quiet - The only moving part is the blade assembly.Say good-bye to the terrible noise .DIMENSIONS: W18 x D11 x H20cm Specification:Material: Aluminum AlloyNumber of blades: 3Motor speed: 800-1100rpmNoise: 35dbStarting temperature: 55-75The best working temperature: 80-250Maximum temperature: 350 Package Includes:1x Stove Fan1 x User Manual Note:Please allow 1-3mm measuring deviation due to manual measurement.Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!