Homestarry Connectable Pro Copper Wire Strng Lights 33 Ft / 100 Warm White LED's Product design.Low profile that is easy to hide away and disappear from the scene. Its safety is guaranteed with CE and RoHS certification.Copper wires are also waterproof, so there is no any problem to use it in the rain. Safer Design. Homestarry String Lights use energy-saving LED bulbs, so you use less power. Each string lasts up to 40,000 hours and comes with 12V power conversion and a 110V - 240V power adapter for travel.Thick and bendable copper wiring is not just pretty;it's also a safety feature. You can connect the lights together end-to-end.We have observed that when people purchasing string lights, one of their biggest concerns would be whether two or more of them can be combined together. To meet this demand, we have gone through extensive research and testing and finally roll out the Combinable String Lights, an unprecedented product that allows you to combine up to 7 of them together. High Quality Copper Wire that is thin and flexible and coiled with paper tub so it will never make a mess, easy storage and ready for next use, reel in the string lights to keep it tidy, organized and easy to be untied.The string lighting can be easily bended, and shaped around plants, signs, furniture and almost everything else