Traditional 52-inch indoor/outdoor Ceiling Fan with five blades is ideal for large rooms up to 400 square feet (20 feet by 20 feet) Weatherproof Dark Walnut finish blades High-quality motor delivers powerful air movement and quiet performance Airflow: 5104 CFM; energy usage: 54 watts without lights; airflow efficiency: 94 CFM per watt Lifetime motor warranty; two-year warranty on all other parts