... , Office, etc 6. Advantage: High efficiency, long life, excellent color rendering, less color temperature shift, reliable & reasonable design, free from any ... )Nominal lampCurrent(A)Initial Lumens(Lm)Temperature Color(K)Color Rendering Index(Ra)Max Diameter(mm)MaxLength(mm)DDG250E402501302.301750060006546160DDG400E404001353.602400060006560280DDG1000 ...