I use it for 6 months. It is a solid footswitch TRS (collection outdoor aluminum, as the pedal multi effects boss) I disassemble the indoor is indeed impeccable, perfect welds c. Nothing to say. Is a switch to reverse the polarity. It works without batteries (not mine it is to prciser becaufe Boss ds both the good idea to make a footswitch with LED chtite any mimi to say "I am branchquot;, something that is is nothing much by the way)