*Airflow: 20 CFM. *Noise (from one meter): 24 dBA. *Power: 12 VDC @ 100 mA. Remove heat generated by components located in smaller cabinets and entertainment centers. Operating only when needed to minimize dust, this quiet cooling device features an aesthetically designed vent that can be painted to match its environment. The quiet, internal fan activates automatically when temperatures generated by hot-running equipment reach damaging levels. "