Daul Powered Christmas String Lights - Solar powered when it is sunny, battery powered when it is rainy and snowy, ideal daily decorations for indoor and outdoor Beautiful Design - 200 LED lights on a 72ft string with 0.3ft length between each light,emitting blue lights with Steady On & 7 Flashing Modes,perfect decorations for home, garden, party, patio, hallway, etc Automatical ON & OFF System - The light sensor in solar & battery panel makes the string lights auto-on when the enviroment is dark and auto-off when in a bright environment Easy to Operate - 2 switch buttons(Power ON/OFF, Modes). Low voltage power, non plug-in. Waterproof - IP65 can withstand all kinds of weather