High Quality: LED Christmas tree lights are made of high-quality materials, durable, environmentally friendly, waterproof and dustproof, because these lights do not require plugs, so they are suitable for indoor and outdoor use. Better than ordinary solar string lights, this is definitely a lovely addition to your Christmas decorations. Convenient Installation: No wires, no electricity. Place it on a wall, window, door, floor, ceiling, grass, Christmas tree or building to add the perfect atmosphere to your location.Requires 2 x AA Batteries (Not Included) ; String lights needn't to plug or put in the sun which can be used in anywhere conveniently and get perfect work in winter. Perfect Match: The snowflakes on these Christmas trees and string lights are the perfect complement to Christmas decorations. It can be used for decoration of living room, bedroom, banquet and festival, elegant and beautiful.