LED SopoTek Christmas Lights 4.8 Meters Long 20 Bright LED Solar Light String Butterfly Solar Fairy String Lights for Outdoor, Gardens, Homes, Wedding, Christmas Party, Waterproof (20LED Multi color) There are 2 modes to choose from, the lights will stay on steadily or blinking at once by your favor 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 ON mode, please open the lights by pressing ON button at the back of solar panel before charging the lights 4.8m solar powered butterfly modeling LED lights string with 20 bulbs, ideal decoration for gardens, patio, lawn, yard, porch, camper and all indoor and outdoor activities The lighting performance was decided by the volume of solar energy converted and stored, it may vary with the intensity of sunlight, geographic locations, weather conditions and shift of seasons