Features 1、6 Blades: Upgraded technology, 6 blades provide faster speed and greater air volume. And the stove wood used is 28% less, which is more environmentally friendly. 2、Heat Powered: No batteries or mains electricity required, the thermoelectric module acts as a small generator to power the fan's motor. Powered by the heat produced by wood, coal or pellet burning stoves. 3、Anodized Aluminum: The bracket of this fan is treated with anodized aluminum, which will not deform or discolor even if it works for a long time at high temperature. 4、Bimetal Safety Device: The fan base is equipped with a bi metal safety device that gradually lifts the front of the fan to provide protections for the TEG and motor. 5、Noise Free: Silent operation, spread heat around room and increase temperature with low noise, improve warm air circulation results in greater comfort. Specifications Item Type: Fireplace Fan Material: Aluminium alloy Gross Weight: 773g / 27.3oz Blades: 6 blades Operating Temperature Range: 176°F to 482°F, 90°C to 250°C CFM: 160-220 Speed: 1400rpm Noise: ≤25db Package List 1 x Fireplace Fan 1 x Manual