General description Use a professional and high-performance brushless motor to ensure high speed and strong airflow. The fan operates at a noise level of less than 30 dB, minimizing interference during sleep and work. Constructed from ABS + PC flame retardant material, it features a beautiful appearance, comfortable touch, and drop resistance. Technical specifications Wind Speed: 3.4-6.1 m/s Rotation Speed: 2150-3300 rpm Battery Compatibility: Suitable for Makita, Dewalt, Bosch 14.4-18V Lithium Battery LED Light Brightness Levels: Low (100 lumens), Medium (200 lumens), High (300 lumens) Remote Control: Powered by 2 AAA alkaline batteries (not included) Dimensions: Measurement allowed error is +/- 1-3 cm Usage Instructions for use: 1. Start/stop the fan: press the button within 1 second and release, LOW SPEED (6 H/Ah) → MEDIUM SPEED (4.5 H/Ah) → HIGH SPEED (3 H/Ah) → STOP THE FAN. 2. LED Light Start/Stop: Press the button in 1 second and release, LOW BRIGHTNESS (100 lumens) → MID