12 Inch Trapezoidal Adjustable Solar Roof Vent Fan,40W Dual Power Attic Exhaust Fan with 3-Speed Remote & 25°C Auto Start,1200 CFM,MPPT Controlle Solar Ventilator for Attic Garage Greenhouse Warehouse

Features

• Equipped with premium A-grade 40W monocrystalline solar panel featuring fast photoelectric conversion; the trapezoidal solar bracket supports flexible angle adjustment to capture maximum sunlight, cutting electricity costs for residential attics, farm greenhouses and storage warehouses.
• High-efficiency DC brushless motor provides maximum 1800m³/h airflow to fully circulate indoor air, quickly vent trapped heat and excess moisture, effectively preventing mold growth and high-temperature damage in garages, barns and rooftop storage spaces.
• Made of cold-rolled steel plates with anti-rust coating, stable for year-round outdoor roof installation in all weather areas.
• Intelligent dual power supply design takes solar energy as priority; the power adapter automatically supplies power when sunlight is insufficient on cloudy days, ensuring uninterrupted ventilation all day long for workshops, attics and commercial greenhouses.Comes with wireless remote control to switch 3 fan speeds, built-in temperature sensor auto activates the fan when ambient temperature exceeds 25°C; low running noise ≤45dB, perfectly fit quiet residential houses, greenhouses and storage garages.