If "basic light 10%, all night" the light turns sometime sporadically independently.
Both lamps were then by the manufacturer with the note that the first production series a fault in the processor had exchanged.
However, the replacement units deliver exactly from the same result.
The Fa. Steinel advertises this product as the "modern outdoor light of the world".
I regard the technology as not mature. There is an urgent need to catch up.
My old wall lamp = Billigprodukt who criticized function mastered properly.
Conclusion: I like the light, by design, extremely well but that the above problem is not acceptable for me.
The lights go back.