Feature-Increased stove efficiency with 3 Blades heat powered stove fan.-Creates its own electricity by using the heat of the stove or fireplace. No batteries or electricity required!-Operates automatically between 50 - 300°C with speed self-regulating according to the temperature in the room.-Extremely quiet operation, compact size, no installation required,easy to use.-Made from heavy duty black steel with carry handle for easy portability.SpecificationWeight:0.61KGHeight : 225mmBase plate width: 120mmStarting temperature:50°CWorking temperature: 50 - 300°CAir flow:120-150CFMNote:1.It's highly recommended that you use a suitable high temperature thermometer to test the temperature of you stove.Temperature above 300°C can cause damage to the product.2.The stove fan will get extremely hot during operation. Do not touch any part of the fan while it is operating.3.A stove glove should be used when repositioning the fan with the carry handle.4.Please make sure that the fan has completely cooled down before being placed on an unprotected surface.5.Children must be supervised when the stove fan is operating.6.There is no wire for the stove thermometer.The manual was wrong printed.Please kindly understand that.