Xcellent Global Solar Fairy String Light 20 LED Blue Crystal Water Drop Lights for Gardens, Lawn, Patio, Christmas Trees, Weddings, Parties, Indoor and Outdoor Use LD041 Great decoration for your gardens and porch by hanging the string light among the shrubs, trees and other areas Uniquely icicle designed LED string lights, powered by solar with a high-performance solar panel kit, energy-saving and eco-friendly. Automatically turn on at dusk and turn off at dawn. Just make sure to turn on the switch. It also could be working when there is not enough sunshine, just open the charger cover to change a AA battery (Rechargeable AA 440mAh battery included) 2 modes swithed to be chosen: ON / OFF & Flash. It could be total working time more than 10,000 hours after 6 hours fully charged. Can be used indoor and outdoors, fully waterproof. Wire measures: 6 m