Glow Worm Lights have been designed specifically for Christmas trees and are perfect for lighting up the inside or outside your home during the festive season. Features a more compact bulb spacing gives the look and feel that the tree has been professionally lit but with a large, frosted, convex cap that gives an almost ‘pastelised’ glow.With 520 aurora LEDs spaced 2.5cm apart, the LED lights provide consistent and uniform brightness at all angles. The colours mimic the natural colours of the Aurora Borealis, cyan, pink, gold and green. These 12.9-metre Christmas tree lights a perfect to illuminate a 5ft tree from one set of lights. A multifunction controller with 8 pre-programmed lighting sequences which are selectable via a button on the plug/transformer. Switching the lights on triggers an operating cycle with 8 hours on and 16 hours off allowing the lights to automatically come on at the same time each day, whilst remembering the chosen sequence. Select between Combined, Waves, Sequential, Slow-Glow, Chasing, Slow-Fade, Twinkle, or Static modes.The long-life energy efficient aurora LEDs are fitted with concave heads for consistent and uniform brightness at all angles and with a discreet green cable blend seamlessly into the green foliage of a Christmas tree, they are sure to look great on your Christmas tree.The total length of the fairy lights is 22.9-metres. The string lights measure 12.9m in length with 10-metres between the plug and the first light.