I bought my proLUX control cable slong with the package that included my safety wear as well as my headlight HL360 etc. Within the year my cable started to deteriorate along the junction of the cable to the bud of the cord. I had trouble finding my receipt on my email and by the time I contacted them not only did the cable finally stop working but the wiring was exposed and you could see that it finally separated. I use them everyday. Clean them before I start and after I’m done with my day and ALWAYS between patients Same way every time alcohol with gauze on the lenses, Frame and sometimes any exposed wire When In use I west underneath scrub top and clip on my hip band when not in use I set them aside (UNWRAPPED) in anyway when packaged to go home I use a medium size case with well enough storage to keep contained and clear of and possible pinching. MY POINT this I can tell was simply product quality I’m sorry but that’s not even what gives them that low of a rating it’s the customer service I bought them when I was in school with insurance and because I’m no longer in school they cannot fix the cord free of charged. This should have been as simple as a swap out for a new one. Like most warranties or quality places.