LED SopoTek Yellow Solar Powered String Lights 20LED 5Meters iron heart-shaped for Outdoor Garden Fence Patio Christmas Party Wedding Decoration Waterproof (20LED Yellow/Warm white) 20LED white ,great decoration for your gardens and porch by hanging the string light among the shrubs, trees and other areas, ideal for party, wedding, Christmas etc 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