* 2016 Closely Spaced 3mm LEDs Create A Stunning Effect * 13.5m Of LEDs, Spaced 6.7mm Apart, 5m Of Wire From Transformer To First LED * Indoor Or Outdoor Use, IP44 (Transformer Indoor Or In Weatherproof Box) * 8 Function Controller For Different Effects Including Static On * Multcoloured How many LEDs? 2016 you say, over 13.5m. That's a lot of lights! A great effect that can be used in many ways. Drape them on a tree, starting at the top and coming down in a lazy spiral and in a couple of minutes you have a tree lit up like a, um, Christmas tree! Easy to put up and take down. Alternatively use them to light up a banister or balcony rail, or as a border to a display, or in a bundle in a fireplace. Indoors or Out.