Fixtures come with FREE pre-put in Spectralux 6500° Ok lamps. New wider complicated reflector design gives superb reflectivity and diffusion. White powder covered steel housing. Cord cable hangers included with each fixture. Now you’ll select to hold horizontally or vertically. 12 foot power twine and on/off transfer lets in for simple operation. Eight lamp fashion options two on/off switches to run 4 lamps at a time if desired. Louvered for cool operation. Prime output lamps have an especially Prime lumen per watt rating. Run on 120 volt power most effective. 3000° Ok (pink) lamps may also be bought one by one. Daisy chain characteristic lets in more than one fixtures to be plugged in in combination. New “eco-pleasant” recyclable packaging.