ModularerBragon431 year ago000The control knob does not work properly. Only on/off. Experience if the brightness and heat cannot be adjusted?Show in original language (German)Sal0cin1 year ago • purchased this product000purchased this product Helpful answerI have NEVER had this, but EXACTLY when I read your question, I noticed the same problem with my lamp *confused*. Plugging it in and out helped though... Show in original language (German)Comment1 commentOlienavalentina1 year ago • purchased this product000purchased this productSo far no functional defect has been detected Show in original language (German)Commentnick761 year ago • purchased this product000purchased this producthello, yes, my lamp with the control knob changes light intensity and colour. I just tried it and it works correctly.hiShow in original language (Italian)Comment