Description How is this fireplace fan working without batteries or electricity? It seems impossible, but this stove fan runs without batteries, cords or electricity. It works because heat is a form of energy. This stove fan is designed for usage on freestanding stoves with a normal surface temperature over 200°C. Temperatures above this range may damage the fan and the electricity generating units. Features - Color: Black.- Material: Aluminium- Size: About 15x9x18cm- CFM: 160-210.- Speed: 1300rpm.- Working temperature: Over 200°C.- Generate power by converting the heat from your fireplace or wood-burning stove. No Electricity Needed.- Not so much air volume as electric fan, but enough to blow the hot air to the whole room.- Extremely quiet while working. Say good-bye to the loud noise of electric-forced fans! You won't even know the fan is there, but you'll feel warm all the time.- Made of material, heat-resistant and durable to use.- Just dust it off occasionally, and put some light oil on the shaft to keep it smoothly and quietly!Packing list: 1 x Stove Fan