so far I am very satisfied, is quick and easy to adjust, simply a device Einschalten.Master. and as long as the screw turning to the other devices switched on, the bar makes qualitatively a very good impression, the aluminum body is very thick, the plastic top acts very high quality and the cord with plug very stable, valuable, all very Solide.Über life I can not say, for the money I think is very good, give with foot all auf.mal see over time the Geisst if this lasts longer