The roof mount Master Flow Wi-Fi Attic Fan from GAF with built-in QuickConnect Wi-Fi Technology allows you to control your power attic vent from virtually anywhere (with an internet connection) via your smartphone or tablet, this next-generation technology is both safe and smart, enabling you to connect wirelessly to your Wi-Fi-enabled power attic vent in order to monitor and adjust the humidistat and thermostat. Master Flow QuickConnect Wi-Fi Technology provides you simplified control of your vent so that you can efficiently and effectively manage excess attic heat and moisture. When installed as part of a properly balanced attic ventilation system consisting of both intake and exhaust, this efficient power attic vent delivers 1,250 cu. ft./minimum of airflow and ventilates up to 2,200 sq. ft. of attic space. To control the power attic vent from your smartphone or tablet, you must download the Master Flow QuickConnect Ventilation Control App from the App Store or Google Play Store. Requires Android 5.0 and above, iOS 13 and above. Questions about attic ventilation. Check out more resources available at: (en-us/for-professionals/tools/ventilation-calculator). Color: Black. Material: Galvanized Steel.