These blue/white led lights are perfect for round the front of your home as long as the transformer is kept indoors (and they are on white cable to give them a frosty feel) the lead wire on the lights is approx 10m long and the light set itself is approx 3.6m long. Led lights are extra bright, cooler than conventional bulbs, low voltage, energy efficient and will last for years. They are perfect for the decorating at the christmas period.