Broan QTX110SL Ultra-Silent Humidity-Sensing Bathroom Fan with 100-Watt Incandescent Light and 4-Watt Nightlight, 110 CFM 0.9-Sones Humidity-sensing fan detects high humidity levels and turns on/off automatically Adjustable auto shut-off time from 5 to 60 minutes; 110 CFM; 0.9 Sones Bright 100-watt incandescent light and 4-watt nightlight (bulbs not included) Hanger bars for easy installation; 6-inch ducting; UL listed for use over bathtubs and showers Measures 10-1/2 inches long by 11-3/8 inches wide by 7-5/8 inches high; 3-year limited warranty