This fan provides infinite variable speed control up to 650 CFM, allowing you to dial in the exact air volume for any task or environment. Key benefits - Infinite variable speed control up to 650 CFM for precise cooling and energy efficiency - Low noise design with a battery-powered chassis; at the lowest setting, airflow remains quiet - Air intake design and high quality ABS fan blades keep noise below 30 dB, so it won’t disturb sleep or work - Durable construction suitable for construction sites and camping - Compact and portable with a lightweight, user-friendly form - Built to perform in a variety of settings while maintaining steady airflow What makes it stand out - Versatile airflow: adjust from a gentle breeze to strong circulation to match your needs - Quiet operation: designed to minimize noise while delivering effective cooling - Durable materials: ABS fan blades and sturdy construction for outdoor and job-site use - Battery-powered convenience: enables operation without relying on a fixed power source Size, material, and performance - Material: high quality ABS construction and ABS fan blades - Performance: up to 650 CFM at the user’s chosen setting - Noise: less than 30 dB at the lowest speed setting Use scenarios - Construction site: keep workers cool on hot days without adding noise or nuisance - Camping or outdoor time: portable cooling at the campsite or during outdoor activities - Workshop or garage: improve air circulation while you work without interrupting concentration Care and assistance - If you have any questions during use, please contact us for support and guidance.