Stove Fan Specifications: Material: aluminum alloy profile Number of blades: 6 Blade diameter: 180mm Air volume CFM: 180-210 Motor speed: 800-1100rpm Noise: 35db Colour: Black Starting temperature: 55-75 The best working temperature: 80-250 Maximum temperature: 350 size: Height (not including hand-made): 190mm Width: 180mm Length: 100mm Thermometer Specification: Name: Fireplace Thermometer Measuring range: 0-500 Type: Thermocouple Bimetal Thermometer Surface diameter: 63 (mm) Usage: magnet adsorption type Package Included:(as your choice) 1x Stove Fan Features: Safe and Quiet: Furnace support is treated with anodized aluminium, which can withstand high temperatures up to 662F (350C), and will not be deformed or discoloured even if it works for a long time at high temperatures.The unique design of the blade assembly can keep the fan quiet during the fastest operation. Energy saving: The stove fan does not need electricity or a battery, powered by heat. Wood Stove Fan for Log Burning Fireplaces, gets power from the heat produced by your fireplace, wood-burning stove or pellet stove. Effectively dispersing warm air around your room. Easy to use: No installation required, just place the wood stove fan on the smooth and even surface of the hob, near the side or back of the oven pipe.The recommended work surface temperature is 50 C / 122 F to 350 C / 662 F [with thermometer]. Artwork Decor Gift Idea: The perfect artwork details and the modeling make it an amazing Christmas gift, Thanksgiving gift. This is a perfect gift for your best friends.A perfect decoration for your Fireplace. Warm Tips: 1. The Heat powered stove Fans does not bring direct temperature increase but only a tool to accelerate the heat transfer of the chimney. 2. Maintenance-free: just clean it occasionally and put some light oil on the blade shaft to keep it spinning smoothly and quietly! 3. Do not carry the base of the cooktop. Do not place the cooktop on an unprotected surface when it is hot. 4. To move or carry a fan,always use a retractable handle when wearing gloves. Keep your child away when using. 5.The thermometer is not placed on the fan, but on the stove.