10ft Hollow Ball Battery Operated LED Christmas String Lights - White

Energy efficient: operated by battery pack (3*AA batteries), 80% energy saving than traditional Christmas string light Wide application: Christmas and other holidays' ornament, used indoor or outdoor with cautions Flexible layout: 20 lights/set, hollow ball interval: 4 inch; continues to work even one of the hollow ball burned out or missing 2 Work modes selection: constant lighting and flashing mode; estimated working time:48hrs Material: made of high quality iron, non-toxic, no radiation, break–resistant and cool to touch