Aoile 17 Inch 2000 CFM Shutter Exhaust Fan Galvanized Steel Auto Louver Smart Touch Temp Humidity Controller 120V For Garage Attic Greenhouse

High Volume Efficient Ventilation PerformanceDelivers 2000 CFM powerful airflow to rapidly expel trapped heat, stale air and strange odors. Stable 1650 RPM operation keeps consistent air output with only 50W low power consumption and noise controlled below 70dB.Multi-Function Touch Screen Smart ControllerAdvanced touch panel supports 10 adjustable speed levels, real-time temperature and humidity detection, customizable timer and cycle modes. Three Type-C ports plus one USB port allow simultaneous connection of three exhaust fans for unified management.Durable All-Weather Metal ConstructionAnti-rust galvanized steel outer frame, rainproof aluminum auto louvers and corrosion-resistant fully sealed motor. Surround safety mesh prevents accidental contact with moving blades for daily use safety.Self-Sealing Automatic Louver SystemShutters automatically lift open when the fan starts for smooth ventilation. They tightly shut once power cuts off to block rainwater, fallen leaves and outdoor particles from entering the building interior.Wide Compatibility & Easy InstallationComes with a 72-inch long power cord for flexible mounting on garages, attics, greenhouses and workshops. Compact square outline fits standard wall openings without complicated cutting or modification work.