No me llego instructivo muy sencillo el empaque espero salga bien · The main panel is the right cup, and it?s very sensitive to touch. Watch all the videos from TC Helicon showing how to get the basics and more advanced functionality of this device then let your imagination take it to the next level. I will say that they make a noise when you walk but to fix that drill a small hole in the highest part of the shoe bed and it will fix it. Very easy to install and seem sturdy. It makes for a wonderful shelf for spices/food items in small and medium sized jars. I wasn?t sure how well these would work because they aren?t a brand name, but I?m impressed! Turned my closet into a boutique. That plastic screw broke within the first month, Yakima sent me out a new one, that also broke within a month. Sound is very clear and is very comfortable.