High Quality - Made of high quality iron. Pure copper motor provides stable and powerful airflow and is more durable than ordinary motors. Variable speed design - variable speed control saves more charcoal. Speed controller adjustment method using wind speed. meet your wind speed requirements. Easy to use. Power - 30 watts is suitable for household use, such as barbecue, on a small stove. It is recommended to use a large fan of more than 100W for industrial furnace forging. Applicable scene - Bakelite fan starter, outdoor or indoor portable use. Great tool for indoor and outdoor fire pits, fire pits, barbecues, smokers and camping fire pits. Customer Service - If there is a problem with your product. Please email us in time, we will provide you with a satisfactory solution.