Mine are a sealed LED unit.
They not to bright are they like light up the whole rear end? I've heard a few people have purchased ones like these and they say they are crazy brightMine too. I renewed mine a couple of weeks ago with these: http://www.ebay.co.uk/itm/391027325545?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT straight swop in 5mins, no errors, look great.
They not to bright are they like light up the whole rear end? I've heard a few people have purchased ones like these and they say they are crazy bright
it won't mask the speed cameras. Mine are factory, car was new and that's what's fitted.