The Premier 750 LED Multi-Action Treebrights - Warm White are superbright energy efficient LED lights which can be used indoors and outdoors. They come with 5m of cable before the first bulb and 18.7m of lights. These lights provide four times more light per metre than regular lights with a 2.5cm bulb spacing, and the 8 programmable settings with timer function ensure the most festive Christmas lighting effect. They are also available in white and multi-coloured.