ZITRADES&reg Multi color 16FT 20 Led Chuzzle Solar Fairy String Lights for Outdoor, Gardens, Homes, Christmas Party Bulb Type: LED Power Source: Solar power,environment-friendly product. Powered by a separate amorphous solar panel allowing lights to be placed in shady areas. Automatically turn on at dusk and turn off at dawn. Performs two different function modes: Steady-on and twinkling Great decoration for your gardens and porch by hanging the string light among the shrubs, trees and other areas.