LED Christmas Lights YegooTM 5m / 16ft Twinkling Fairy String Lights,50 Piece LED , Battery for Wedding , Party Celebrate Decoration&nbsp; High quality,100% Brand new5m/16ft,50LED,3x AA batteries(not included),3 colors, High efficiency and very attractive. Perfect for indoor use. Energy-saving , environmentally friendly ,low temperature,long life and wide application.Can be woven into a variety art. Flexible,portable ,easy to use and store.2 different modes(steady,flash) ,you can choose the mode according to your needs , and you just press the button at the back of panel. Beautiful designed,perfect for Christmas tree or halloween. Showcase or window displays.Restaurants or bar decorations.Home or garden decoration. The LED string lights is waterproof, but the power supply is non-waterproof, you should protect them well when use them outdoor. In additionthis series of lamp already the CE and ROHS certification