LED SopoTek Solar Powered White LED Christmas Light, 16.4Ft 4.8Meters 20LED Starfish Solar Fairy String Lights for Outdoor, Gardens, Homes, Wedding, Christmas Party, Waterproof (20LED Cool White) 4.8 meters long solar powered starfish modeling LED lights string with 20 bright LED bulbs, ideal decoration for gardens, patio, lawn, yard, porch, camper and all indoor and outdoor activities The solar panel charges the battery during day by converting solar energy and the sensor turns on the lights automatically at night The charging can only be finished under The lighting performance was decided by the volume of solar energy convered and stored, it may vary with the intensity of sunlight, geographic locations, weather conditions and shift of seasons There are 2 modes to choose from, the lights can stay on steadily or blinking at once by your favor