Micro LED White Lights on Ultra Thin Wire- Battery- 3 Sets-10 lights- Fairy-Underwater 10 Micro LED Lights on a 4 Foot Long Ultra Thin Silver String Wire Wire and Light Part Totally Submersible but NOT BATTERY PACK !!! Over to 12+ Hours Non Stop Operating Time Battery Box is 1/4" thick x 15/16" wide x 2" long Batteries included