wires of copper material. It is anticorrosion, suitable to the rainy day fits for handlebar in diameter: 22-23mm/0.78″-0.90″.For your convenience, a 2.5mm hexagon wrench is also specially equipped Output circuit protection, overload protection, reverse polarity protection, multiple protection, safety to use The product has the pilot lamp,when the switch turn on,the pilot lamp will be lighting,or,the lamp will off Can connect bluetooth speaker system with amp. For installing this switch as an auxiliary or as a replacement switch for a motorcycle or ATV, etc. This switch can be used Compatible with spotlights fog lights driving lights daytime running lights etc And will fit on all motorcycles motorbike ATVS scooters Connection: Black(positive).Brown(negative).Blue(connect to the equipment,positive)