General description This Powerful Blower High Speed Duct Fan is designed for maximum airflow and efficiency. Featuring a robust brushless motor that can reach speeds of up to 140,000 RPM, it generates an impressive wind speed of over 52 meters per second. This versatile blower is ideal for various applications, including industrial dust blowing, cleaning computer keyboards, outdoor camping, carpet cleaning, and car or motorcycle cleaning. Technical specifications Motor type: Brushless Maximum speed: 140,000 RPM Wind speed: 52 m/s Battery capacity: 2 x 4000mAh Size: approximately 170.00 x 130.00 x 35.00 mm (6.69 x 5.12 x 1.38 inches) Material: ABS Compatibility and accessories Includes 1 fan Includes 1 data cable Installation No specific installation instructions provided. Usage This blower supports seamless speed adjustment, allowing users to select their desired wind intensity. The battery level is visible for easy monitoring, and it features a TYPE-C charging interface that supports