LE Solar Power 16.5ft 50 LED Rope String Lights, Warm White, Waterproof, Portable, Christmas Tree, Thanksgiving, Wedding, Party, Garden, Lawn, Patio, Outdoor Decoration SOLAR ENERGY CHARGE. Powered by solar energy, which is energy saving and environmental friendly. EASY TO INSTALL. With easy installation, you can install the light in your own creative style. WATERPROOF: IP55 waterproof rating, which means it can be suitable for indoor and outdoor decoration both. 2 OPTION MODES. According to your needs, you can choose full brightness mode or flash mode. MULTI-COLOR DECORATIVE. It can be used for decoration, creating atmosphere, lighting show, like beautifying the fencing, plant, festival, holiday, party, etc.