Jamicon DC Fans have a range of input voltage from 12 V DC to 48 V DC, velocity from 900 d/d to 13000 d/d and airflow from 1.27 CFM to 168.9 CFM, and AC Fans have a range of input voltage from 110 V AC to 240 V AC, velocity from 1400 d/d to 2900 d/d and airflow from 13.46 CFM to 196 CFM. These fans are used in cooling process with their various dimensions.