Powered by DC12V car battery, 12V power supply and other 12V adapters, with adjustable AC110V-220V adapter High air volume, 4200 rpm, adjustable, large wind and reliable safety Brushless fan, suitable for projects requiring cooling or ventilation with limited space Plug-play and quick fire lighting make it easier to grill. Widely used for grill ovens, AV cabinets, wood stoves, outdoor firewood stoves etc.