Eformarket Solar Powered LED String Light, Ambiance Lighting, 100 LED Solar Fairy String Lights for Outdoor, Gardens, Homes, Party (Warm White) Powered by the sun, no electric wiring required. Super Waterproof, suitable for indoor or outdoor using. Energy-efficient, average run time is up to 10 hours after fully charged. 2 lighting modes for optional: static light or flashing light. Automatic sensor activates after power is charged. (lights out in daylight, lights work at dusk automatically)