Customizable ceiling mount ventilation fan with light, ENERGY STAR rated with built-in speed selector. Select from 50/80/110 CFM with 0.3/0.3/0.4 sone as certified by the Home Ventilating Institute (HVI) at 0.1 w.g. with 50/80/110 CFM and no more than 0.4/0.5/0.9 sones at 0.25 w.g. and 50/78/103 CFM at 0.375 w.g. Power Consumption shall be no greater than 3.2/5.3/10.5 watts at 0.1 w.g. and 6.2/9.9/15.8 watts at 0.25 w.g. and 9.9/13.8/19.4 watts at 0.375 w.g. ENERGY STAR rated with efficiency of no less than 15.7/15.3/10.5 CFM/watt at 0.1 w.g. and 8.1/8.2/6.9 CFM/watt at 0.25 w.g. and 5.1/5.6/5.2 CFM/watt at 0.375 w.g. The motor shall be enclosed with brushless ECM motor engineered to run continuously. ECM motor speed shall automatically increase when the fan senses static pressure to maintain selected CFM. Power rating shall be 120v/60Hz. Duct diameter shall be no less than 4", inclusive of an integrated dual 4" or 6" duct adapter. Plug 'N Play™ modules provide up to three additional features. Select from Multi-Speed with Time Delay, Condensation Sensor, and Motion Sensor. LED dimmable type lamp with (1) 10W ENERGY STAR 2.0 certified, JA-8 compliant for CA Title 24, LED chip panel that maintains 50,000 hours rated average life and incorporates a 1W LED night light. Fanshall be RoHS Compliant and UL and cUL listed for tub/shower enclosure when GFCI protected. Also suitable for installation in ceilings insulated up to R60. Fan can be used to comply with ASHRAE 62.2, LEED, ENERGY STAR IAP, EarthCraft, California Title-24 and WA Ventilation Code.