SIEMID New Generation Retrofit Upgraded Led Fog Lamp for Citroe.n C3 C4 C5 C6 C-Crosser Xsara Picasso DS 3 DS 4 2004 2005 06 07 08 2009 2010 2011 2012 2013 2014 2014 2011 2012 2013 2014 2014 2015Using most leading edge LED lens point focus lens. Different from the traditional glass, the point focus lens uses a plastic injection molding process, so that the complex curved surface calculated by the computer can be formed. The point focus lens uses a hyperboloid design, which has higher optical efficiency and a wider light type, so that this type of lens can realize the fog lamp function and the auxiliary lighting function of the curve at the