Color: Black Best upgrade 5 blade stove fan structure was been improved to maximized its efficiency;No electricity required,just place it on the top of your stove,with a surface temperature between 50 - 350℃ (122 - 662℉),the fan will create its own electricity with the heat and circulate warm air 220CFM (cubic feet per minute) throughout the whole room with 33% fuel cost saving. Features: ● Circulates warm air throughout the room.● Don't need electricity,no running cost.● Powered by heat,speed automatic controlled by temp of stove top. Specifications: - Material: Aluminum- Starting Temp: 50℃ (122℉)- Maximum operating temp: 350℃ (662℉)- Optimum operating range: 80-260℃ (176°F-500℉)- Max Air Flow: 220CFM- Max Running RPM: 1350RPM- Silent operation,the noise less than 25dB- Product Dimension:16.5*16.5*9.1cm/6.5*6.5*3.6in- N.W: 450g/1.0lbs Package included: 1* Fireplace Fan Warmly Tips: ● Never handle the base of the stove fan, do not set the stove fan down on an unprotected surface when hot.● To move or carry the fan, always use the extendable handle while wearing gloves. Please keep fan away from small children when in use.