Features: Solar powered, energy saving and eco-friendly. Built-in light sensor, the string lights turn on automatically in the dark and turn off automatically during the day. 8 modes lighting, you can easily switch the mode via the button back of the solar panel. Include Combination, In wave, Sequential, Slo glo, Chasing / Flash, Slow fade, Twinkle / Flash, Steady on. 8 different modes of christmas lights solar can meet your various needs. Memory function, the built-in memory chip saves your previous mode settings without having to reset the mode every day. The light is IP65 water-resistant for both outdoor and indoor use. Perfect for Christmas, wedding party, birthday, garden, patio, holiday decor.