Our hand-picked Christmas tree lights are designed for trees of all sizes, and are all LED so completely safe to use! Match your Christmas tree lights to some Christmas fairy lights around the rest of the room for the ultimate festive feel. Looking for outside your home? Shop the range of outdoor Christmas tree lights. If you’re trying to work out how many Christmas tree lights to buy, a must-read is our handy guide on how many lights you'll need for your Christmas tree.