This powerful fan is the most efficient portable fan in the industry, plus it’s super quiet, high speed, adjustable, and durable. The brushless DC motor moves 1200 CFM at 8.3 meters per second, to cool everyone around with an adjustable output to dial in the comfort. Power the fan with the included Power 144, or one of GoSun’s optional solar panels, or any 12V source found in every car, truck, boat or RV.