Led cable system macround set of 4 comes as a complete set with accessories such as a cable 4 mm transformer brackets and light bulbsplease note the system length is 5 mbulbs 4 x 4 w ledoperating voltage 23012 vlaying electrical cables is possible without problems and is safer and significantly easier than with conventional 230v installations due to the modern 12v technology the parallel cable serves for the further stabilisation of the lamps and therefore allows for completely ne