VEVOR Shutter Exhaust Fan, 12'' with Temperature Humidity Controller, EC-Motor, 940 CFM, 10-Speed Adjustable Wall Mount Attic Fan, Ventilation and Co

What's the best way to beat the heat? Our Exhaust Fans are the quickest and most effective solution. Summer heat, humidity, and odors are dissipated with a single fan. When not running in winter, the shutter will close automatically, keeping your house warm and your fan secure from rain. Equipped with an EC motor and intelligent controller, the worry-free control with low energy consumption can comfort you all summer long! Start creating a healthy, secure home environment today with VEVOR!. Color: Black.

• 12 inch Exhaust Fan: Dimensions: 15 x 15 inch; Airflow: 940 CFM; ETL Listed; Speed: 1650 rpm; 120V/60Hz, 40W
• It have temperature and humidity triggers, it also can set up to 10 speeds that will respond to changes in them