* Operating voltage: DC6-30V, power: 45W 1950MIN* Fan size: about 180 * wide 170 * thick 78MMMeasured 6V will be able to drive, but also a very good air volume, overpressure to 30V use no problem, and the wind pressing, near the mouth of the feeling of breathing difficulties.Products are mainly used  automotive, machinery, electrical equipment and other heat, you can work in the ventilation or hair way.