Illuminates up to 300 sq. ft. - Equivalent of up to 500 watts depending on installation. ENERGY STAR Qualified - May Qualify for Tax Credits. Hurricane Tested/Approved - High-Impact Acrylic Dome. Industry Leading 25 Year Manufacturer's Product Warranty. 13" Model with Flat Roof Flashing for Asphalt Type Roofer Installs. 13" Model with Flat Roof Flashing for Asphalt Type Roofer Installs. (pitched roof and curb mount models available - sold separately). ENERGY STAR Qualified - May Qualify for Tax Credits. Hurricane Tested/Approved - High-Impact Acrylic Dome. Industry Leading 25 Year Manufacturer's Product Warranty. Not designed for Metal roof applications. (Pitched angle shingle roof models sold separately.) Made in USA.