Kundelfinger2 years ago000viewiel nm for red light?Show in original language (German)Dokinka2 years ago+110according to https://www.silkn.de it is 633 nmShow in original language (German)CommentKundelfinger2 years ago000The question was how many nanometres the red light has, ideally from 630Show in original language (German)Commentbernadette.brusa2 years ago • purchased this product000purchased this productIf only red light is used, then max. 15 min. If the setting runs automatically, then I think it is approx. 3 min. per light colour.Show in original language (German)Comment