Specifications Energy saving lamp 1. Long lifetime 2. Low voltage 3. New design Type3U 4U Voltage240VTube Dia12mmWaltage9W-20WLifetime8000HColor Temperature3700K/6400KBaseB22/E27/E14 Plastic part is by PBT material, inner tube with special plating. low light declines, has durable light efficiency, tube is with amalgam, without liquid mercury,can well protect the environment