ZITRADES&reg Waterproof 55FT 100LED 3 Modes Multi Color Solar Fairy String Lights for outdoor, gardens, homes, Christmas party [Solar Powered] Safe and green, eco-friendly, no utility energy costs incurred. [Easy Installation] Very easy installation, and it works automatically with solar energy. [Long Service Time] High capacity Ni-MH AA rechargeable battery to keep 8-12 hrs lighting after fully charged. [3 Lighting Modes] ON*Strobing*Off [Widely Used] A perfect decoration for Valentine's Day, Christmas, Party, Wedding, etc.