Solar Stringlight with 20 Butterfly Color Changing for Gardens,homes,outdoor,party 2 NiMH AA 700 Battery,good for winter, 7 Meter(23 ft) Solar-powered light string ideal for shrubs, trellises, parasols and doorways 20 energy-saving colour-changing LEDs come with butterfly, making them by day and useful by night Powered by a separate solar panel, allowing the lights to be placed in shady areas LED technology,Automatically illuminates at dark