Broan XB50L Ultra X1 Single-Speed Series Ventilation Fan with 36-Watt Fluorescent Bulb and 4-Watt Night Bulb 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 UltraLucent Lighting Technology - Two Energy Star qualified 18 watt GU24, 3500K bulbs, one 4 watt C7 type night-light provides night-time convenience (bulb not included), enclosed reflector for minimal light visibility through the grille. 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 It is single speed ventilation fan Has a power usage of 120-volt, a total wattage of 5.3-watt and amperage capacity 0.7 amps Comes with 36-watt Fluorescent bulb and 4-watt Night Bulb 50 CFM Airflow Capacity DC motor technology