Broan ZB110 Ultra X2 Multi-Speed Series Ventilation Fan N/A Imported Ultra Green series DC motor technology is the most efficient of it&#39;s kind nearly 10 times more efficient than energy Star requirements ultra quiet design keep noise levels under 0.3 sones Broan ZB110 exhaust Fan bathroom Fan with 110 CFM maximum and 0.3 sones from the ultra collection Height: 7.63 inches It is multi speed ventilation fan Has a power usage of 120-volt, a total wattage of 7.7-watt and amperage capacity 0.2 amps Without bulb 30 to 110 CFM Airflow Capacity DC motor technology