Broan XB50 Ultra X1 Single-Speed Series Ventilation Fan N/A Imported UltraGreen Energy Saving DC Motor - For efficiency well beyond Energy Star requirements UltraSilent Sound Technology - HVI certified, best achievable, less than 0.3 Sone level making for nearly silent operation. UltraSmart Control Technology - Powerful operation for a wide range of installations ULTRAQuick Installation Technology uses an exclusive telescoping mounting frame with pre-installed screws, snap-in housing, snap-in blower and an inside-out mounting duct connector U.L. Listed for use over bathtubs and showers when connected to a GFCI protected branch circuit (ceiling mount only). It is single speed ventilation fan Has a power usage of 120-volt, a total wattage of 5.1-watt and amperage capacity 0.1 amps Without bulb 50 CFM Airflow Capacity DC motor technology