Description:-The energy-saving fan of the fireplace blows the hot air above the fireplace to the living area, increasing the air circulation and improving the heating efficiency of the fireplace;-Small size and light weight, not occupying space;The contact bottom of the fan and the furnace can feel the hot gas, and no electricity is needed. Thermal power generation is energy saving and environmental protection;-Materials: polar aluminum oxide, copper wire, high electrical resistance silicon steel sheet (motor), high-strength bismuth telluride thermoelectric material, high thermal conductivity and high insulation DBC (directly bonded copper) ceramics and high-temperature solder (refrigeration sheet);-To save fuel, fans distribute heat from the furnace to provide better fuel efficiency;Self generating - no plug - no battery;-Quiet operation;Self start, speed regulation and stop;Simple and fashionable design.Safety warning: Please do not touch when the base is hot. When the fan is working, please keep away from the fan blade and children; SpecificationBlade diameter: 180mm;Air volume: 180-210cm / hMotor speed: 800-1100rpm;Noise: 35dbStarting temperature: 55 - 75 ;Optimum working temperature: 80 - 250 ,Size: 19 * 18 * 10cm;Blades:6 blades Package Included:1 6 blade heater stove fanNote:1. Please allow a slight dimension difference due to different manual measurements.2. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.3. Wish you a wonderful on-line shopping!