UL Safety standard power driver,8 flashing modes with memory function, remember the setting last time you power off. Waterproof and safety voltage operate,no worry about outdoor rainy day Safety voltage operate make the LED more stable and less heat emission, enable longer life span and Eco-friendly Flexible PVC tube tube covered,make it possible for you to shape the lights as you like. Excellent Decoration Effect for Christmas, Party, Wedding, Celebration, and all other kinds of Decoration Lighting.