tomersun 3 blades heat powered stove fan for wood/log burner/fireplace tomersun <b>how is the stove fan working?</b><br>the stove fan generates its own power by the heat from the stove. the stove fan uses thermoelectric technology to convert a temperature difference into electricity. at the center section of the stove fan base is a unique thermoelectric module. the module change the heat into the electricity.<br><br><b>how to use the stove fan?</b><br>position the stove fan on a smooth flat surface of your stove top ,near the side or back of the stovepipe.the hotter the stove surface is, the more air the fan circulates.<br><br><b>attention:</b><br>recommended surface temperature is between 185f - 660f (85c - 350c). temperatures above this range may damage the stove fan and the electricity generating units and invalidate your warranty.<br>never handle the base of the stove fan, do not set the stove fan down on an unprotected surface when hot. <br>to move or carry the stove fan, always use the extendable handle while wearing gloves .<br>keep the stove fan away from small children when in use.<br><br><b>what if you have questions or concerns?</b><br>our customer care team is available and ready to assist you. simply email us with your order# and we'll get back to you within 24 hours.<br><br><b>recommend buying 2 pieces to take full advantage of the heat from the stove.</b>