Originally Posted by
no1mad
Not that one (sorry, but thanks for the reply

). One really cannot tell it's anything more than a reflector. No light bulb visible from outside. A completely homogeneous surface. I had seen them almost on a daily basis when passing by, but had no idea they were not that simple, until the other day when 1 or 2 of them were turned on.
It seems to be a good idea to save space (as opposed to separating the two features as in radbot). If only they could make the light brighter.