Meyin Christmas Star String Lights 16.4ft Battery Operated Twinkle Lights 50 LEDs Fairy Lights Warm White for Patio Garden Party Christmas Tree Bedroom Decoration Lighting 16.4ft 50 LEDs Star String Lights Lighting color: warm white 3 Function Modes: Steady on, Flash, and off (controlled by the battery case) Battery Operated means complete safety and portable for outdoor using. Powered by 3 AA batteries(NOT INCLUDE). Ideal for: Patio Garden Party Christmas Tree Bedroom Decoration Lighting