The flexible power range, allows the use of a varialblen up to 10 LED spotlights. I'm a hobbyist thus optimally equipped for my next innovation. For installation in Holwand - blankets the good slim piece is almost a bit too long. Anyone who wants to get the part, for example, through a 68mm hole, a height of 7-8cm behind should have been marshalling. The Electronic transformer delayed the lighting on power by one second.