Ecandy Solar Powered LED String Light, Ambiance Lighting, 39ft 12m 100 LED Solar Fairy String Lights for Outdoor, Gardens, Homes, Christmas Party,Blue Lights This wonderful string light illuminates during night, ideal for decorating your gardens, patio, lawn, porch, gate, yard, etc. Super long working time, it can continuously work more than 8 hours at night if the panel absorbs enough sunshine during day. It is waterproof and fireproof, more safe to use it for outdoor. The solar string light is charged by sunlight, there is No electricity cost, no battery replacement. The lights will light up automatically at dusk and turn off automatically when ambient light is too strong. Press the power button to ensure the solar string lights is turn on