This 12 inch rechargeable utility air circulator runs by 24DC volts 6 Li-ion 2500mAh battery pack with LED battery gauge indicator. It is suitable for indoor or outdoor living. The battery pack can be fully charged within 4 to 5 hours by 100-240V 50-60Hz AC power for 5 to 24 hours running time. The 12-inch aluminum blade provides max 1200 CFM high performance airflow by a speed control knob. The fan body is a full metal construction with adjustable 120 degree tilting angle for a wide range of air circulation.