Customizable, all-in-one fan and fan and LED light combinations. Pick-a-flow 50-80-110 CFM speed selector satisfies designed air flow. Plug and play modules provide up to three value added features. Revolutionary DC motor with SmartFlow technology. Flex-Z-Fast bracket provides flexible, fast and secure installation, integrated dual 4 in. or 6 in. duct adaptor. UL listed for tub and shower enclosure when used with a GFCI protected circuit. Can be used to comply with ASHRAE 62.2, LEED, CALGreen and ENERGY STAR for homes 3.0. Warranty: Six years warranty on DC motor, five years on LED and three years on parts. Made in China. Weight: 11.9 lbs..