Feature: 1. Heat Powered Fan: This stove fan does not require any external power or electricity, just uses thermoelectric technology to push hot air into the room. 2. Low Consumption: This fireplace fan is a 5 blade design that not only helps you warm your home but also lowers the fuel consumption of log burner. 3. High Performance: The heat powered design is environmentally friendly, with high efficiency and low consumption, the noise level below 25 decibels. 4. Adjustable Speed: The fireplace fan can be started automatically, and the speed can be adjusted according to the furnace temperature to meet more needs. 5. Wide Application: The stove fan is designed for use with coal, pellet or wood burning stoves to improve the circulation of warm air for convenience. Specification: Item Type: Heat Powered Stove Fan Material: Metal Power Supply: Thermal Sensor. Package List: 1 x Stove Fan1 x User Manual1 x Accessory