Broan-NuTone P82W Sensaire Bathroom Exhaust Fan Humidity Sensing Control Wall Switch, White Turn any fan into a humidity sensing solution with new Sensaire humidity-sensing technology, which can detect a rapid rise in humidity to turn the fan on. It responds to increases in humidity up to 4x faster than other humidity sensors, to help fight mold and improve air quality. Precise sensitivity adjustment allows variable setting from 20% to 80% relative humidity so the fan works when the homeowner wants it to regardless of climate or season. Continuous ventilation mode allows the fan to operate for set minutes per house to achieve targeted average CFM levels and efficiently meet ASHRAE 62.2 whole house mechanical ventilation (WHMV) requirements. This humidity sensing fan switch offers the flexibility to satisfy local range of adjustment codes, while the decorator style design with settings behind the concealed door blends seamlessly with existing switches. The user adjustable delay shut off times allows run-time customization for different bathrooms within your home, while the LED "on" indicator light and manual operation mode allow for easy use. Can be used to comply with California Title 24 and CALGreen and fits single-gang box; 120 VAC, 60 Hz. This item is backed by a 5 year limited warranty for your convenience. Broan leads the industry with forward-thinking residential ventilation products, customized climate, communications and home automation solutions along with award winning customer service. Broan?s inspiring heritage provides the foundation for its three global brands ? Broan, NuTone and BEST. Features HUMIDITY SENSING WALL CONTROL: Sensaire technology responds to increases in humidity rather than waiting for condensation to form or a relative humidity set point to be reached PRECISE SENSITIVITY ADJUSTMENT: Variable setting from 20% to 80% relative humidity so the fan works when the homeowner wants it to regardless of climate or season CONTINUOUS VENTILATION MODE: Operates fan for set minutes per hour to achieve targeted average CFM levels and efficiently meet ASHRAE 62.2 whole house mechanical ventilation (WHMV) requirements DECORATOR STYLE: Designed with settings behind concealed door blends in seamlessly with existing switches and decor USER-ADJUSTABLE: Delay shut-off timer allows run-time customization for different bathrooms within your home USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.