Sun Blaze? fixtures feature an advanced reflector design that delivers excellent reflectivity and diffusion. White powder-coated steel housing is durable, has louvered venting for cool operation. High output lamps have an extremely high lumen per watt rating. 5,000 lumens per lamp. Comes with Spectralux? 6500? K (blue) T5 HO lamps. 3000? K (red) lamps can be purchased separately. The Smart Volt? electronic 120 to 277 volt ballasts are energy efficient and high output. Wire cable hangers included with every fixture. Now features additional hanging holes for V-hangers that are included with every fixture. Hang horizontally or vertically. 12 ft 240 volt power cord for easy operation. One year warranty on lamps.