Cool down your space fast and quietly: Powered by ETL-certified EC motor (120V/60Hz), our fan delivers an impressive airflow of up to 2100 CFM perfect for cooling enclosed spaces up to 1260 sq.ft like attics, garages, and workshops during hot summer days. Designed with noise reduction in mind, it operates at just 65 dB even at maximum speed, offering powerful ventilation without the noise. Wireless and multi-unit remote control available: Take full control of airflow, speed, and temperature from up to 33ft away with the wireless remote control panel. Mount it anywhere: workshop benches, garage walls, or hallway for easier access and instant adjustments.(The signal does notpass through solid walls, and obstructionsreduce the range) Enjoy smart and easy settings: Equipped with a smart control panel, the fan automatically adjusts airflow based on your target temperature(32-140 F) delivering rapid ventilation for fast cooling, while maintaining quiet operation for steady climate control. Prefer manual control? Choose from 8 different speed settings or 24H timer modes to customize airflow for any space, whether it s an attic, garage, or greenhouse. Weather-resistant and long-lasting: Constructed with heavy-duty steel frames and coated aluminum shutters, our fan delivers reliable performance even in humid or dusty environments.