Specifications Item Model Number: FS25 Wind Speed: 1.5 - 4.5 m/s / 5.0 - 14.8 ft/s Blade Diameter: 10 inch / 25.4 cm Max Airflow: 430 CFM / 12,186 L/min Battery Capacity: 12000mAh Charging Time: 2h Fan Operating Voltage: 12V Main Material: Iron Item Weight: 5.07 lbs / 2.3 kg Item Dimensions: 13.8 x 7.8 x 13.4 in / 350 x 190 x 340 mm Package Content Fan x 1 DC Adapter (with power cord) x 1 Triangle Knobs x 2 User Manual x 1