Crazy Genie 4 Meters 40 LEDs Decoration Creamy White Rattan Ball Fairy String Wedding Party Lights Outdoor Garden Lights With built-in lithium battery, can still be used in the rainy or cloudy day if the sunlight is not available. The LED string lights are energy-efficient, low power consumption and environmental friendly. Main Material: Plastic/Aluminum; Siwtch function: ON/OFF/Flash. Great for decorating your gardens, patio, lawn, yard, porch or gate by hanging the string light among the shrubs, trees and other areas