Marley 8100FLH Ceiling Light with Night Light and Humidity Sensing Fan ENERGY STAR RATED HVI Certified Built in Humidity Sensor automatically detects humidity and turns on the fan. Manual override from wall switch. Plug in high efficiency motor with super quiet double inlet blower. Patented light compartment giving 50% more direct light from two 13-watt compact quad tube instant start fluorescent lamps (bulbs included). New designer styled high impact styrene grille with prism glass lens for even light distribution. Heavy duty galvanized housing and blower. Four adjustable mounting bars allows for placement anywhere between 16"oc and 24"oc ceiling joists. High density acoustical insulation to absorb noise. 4" duct with back draft damper reduces noisy air turbulence and comes pre-assembled to housing. 4-watt night light (bulb not included) cULus listed IC for sue in insulated ceilings. cULus listed for use over a tub or shower when wired on a UL listed GFCI protected circuit. Rough opening: 10-1/4" x 11-7/16" Housing dimensions: 10" x 11-3/16" Grill dimensions: 12-1/2" x 12-1/2" .51 amps 100 CFM 1.5 Sones For baths up to 95 square feet and other rooms up to 125 square feet PLEASE NOTE THE SHIPPING AND RETURN POLICIES NEAR THE BOTTOM OF OUR HOME PAGE.