55W 12" Solar Attic Fan with Smart Power Adapter+Remote

All-Season Smart Protection Year-Round Smart Operation Smart Power Adapter ensures continuous protection regardless of weather. Intelligently switches power sources when sunlight is limited. Zero Energy Waste Automatic Operation Prevents Ice Dams Expels heat buildup to equalize attic temperature, preventing costly ice dams and roof damage during winter months. Roof Protection Winter Safety Eliminates Moisture & Mold Powerfully exhausts damp air before it condenses, preventing mold and wood rot in your attic structure. Mold Prevention Wood Protection Energy Efficient Design Smart thermostat prevents heat loss in winter, saving on heating costs while maintaining attic health. Saves Money Solar Powered Key Benefits Prevents costly ice dam damage Eliminates mold-causing moisture Reduces heating costs in winter Works year-round, day and night Zero electricity costs Protects roof structure 10-Year Warranty Included Technical Specifications Model SF-55 Solar Panel Power 18V/55W Solar Panel Size 22" x 22" Airflow Up to 1300 CFM Coverage Area 2,200 sq/ft Adapter Voltage 100-240V AC, 50/60 Hz Fan Speeds 6 levels Controls Built-in Preset Thermostat Motor Type DC 30W Cap Dimension 18.25" x 18.25" Rough Cut-out 12.3" x 12.3" Flashing size 22" x 22" Remote control distance 65ft Warranty 10 Years Limted Warranty※ The Ultimate Winter Solution Traditional solar fans become ineffective in winter. Ours works year-round with smart technology that prevents ice dams, controls moisture, and saves energy - all with zero electricity costs.