Esky Solar Powered Outdoor LED String Light, 55ft 17m 100 LED Solar Fairy String Lights for Patio, Garden, Christmas, Party, Wedding (Warm) Conserves solar energy into electricity during the day and lights up automatically at dark. Environment-friendly products high energy conversion rate. Switch is covered by waterproof cap with good waterproof performance. Three different function modes: Steady on and quick blinking and slow blinking. Suitable for indoor and outdoor decoration with trees, wreaths, etc.