CLASSIC CHRISTMAS LIGHTS – This set of 600 warm white Christmas lights provides all the colourful illumination you need to decorate your home this festive season! Features: ENERGY EFFICIENT - These electrical Christmas string lights won't cost a fortune to run, and based on the October energy price cap of 34p p/kWh will cost you around 0.05p per hour, which equates to just 2 pence per week, based on the lights being left on for a full 6 hours a night! INDOOR/OUTDOOR LIGHTS – These multi-functional chaser lights are perfect for both indoor and outdoor use. Decorate your Christmas tree, living rooms & conservatories, or the outside of your home with ease, as these lights are IP44 Waterproof 8 SEPARATE LIGHT EFFECTS – Choose from Combination, Sequential, Chaser Flashing, Twinkle Flashing, Waves, Slow Glow, Slow Fade and Steady On to create the perfect festive ambience to suit your needs MAINS OPERATED – These festive Christmas lights are mains operated, and feature a 5