4', 32W, 2 Lamp, T8, Industrial Light Duty, Closed Top Reflector Strip, Universal 120V-277V Electronic Ballast, Energy Efficient, Premium Performance & Durability, Sturdy Embossed Reflectors That Precisely Direct & Effectively Control Light, Can Be Installed Using Various Mounting Methods, Numerous Options & Accessories Are Available, Can Be Utilized In Simple Task & Area Lighting & Industrial Applications.