What Stu says, and there's a lot on related options in the archives including a Guide, but unfortunately it's scattered across multiple threads. Added lights of this sort probably won't breach regulations for use on public roads, and are very unlikely to cause a problem at MoT inspections. Jonathan PS: We finally cracked how to show a Dropbox image inline. http://www.dropbox.com/s/z0b0hjyowas2mue/007%20%282%29.JPG?raw=1