This WhisperFit DC Fan features a dimmable 10W LED light with 1W night light for warm, energy-efficient illumination. A built-in energy-efficient ECM (DC) motor with Pick-A-Flow airflow selector allows you to select required airflow (50, 80, or 110 CFM). Single-hinged Flex-Z Fast bracket, pre-installed alignment guides, and temporary clip allow for flexible, fast, and easy installation. This vent fan enables you to utilize existing duct, while its low profile housing design ensures a proper fit in any bathroom ceiling or other areas of a home with at least 5 5/8" depth. The slide and snap-in junction box and duct collar provide greater flexibility when wiring and attaching the duct, and this premium ceiling ventilation fan now includes preinstalled plastic alignment guides and temporary retaining clip. These clips molded into the casting will allow the fan to stay in place while the installer fastens the fan into can.. Air Volume (CFM): 110,50,80. Amperage (amps): 0.075,0.12,0.18. Color/Finish: White. Duct Compatible Sizes: 4 in. Features: Adjustable Fan Speed,Light,Nightlight,Roomside Installation. Grill Shape: Square. Housing Material: Metal. Included: Hardware,Light Bulb,Nightlight Bulb. Installation Type: Ceiling. Light Bulb Type Included: Integrated LED. Maximum Light Bulb Wattage (watts): 10. Maximum Room Size (sq. ft.): 110. Mount Type: Flush Mount. Number of Bulbs Required: 0. Pack Size: 1. Product Weight (lb.): 10.1 lb. Room Size: Large Room Fan. Voltage (V): 120/60 V. Wattage (watts): 11,4,6.6. Housing Length (in.): 10.25. Housing Width (in.): 10.25. Product Height (in.): 7.1 in. Product Width (in.): 13 in