PMS 300/400/500 LED Battery Power Operated String Fairy Lights for Christmas Tree Xmas Party (White, 500 LEDs) 500LEDs Clear Cable Battery String Light---- Length: 51.5M(169ft) / Light Color: White/Lead Cable: 1.5M(4.92ft) / Bulb spacing: 10CM(0.33ft) 8 Modes and Timer Function: 8 Modes or Timer function (6 hours on, 18 hours off) for your choice Battery power operation: Require 4 x AA batteries (NOT include) ---60 hours continued use or about 10 days with timer function by new batteries. IP44 Waterproof: Can be used indoor & outdoor. No power cord or socket required, you can decorate anywhere especially some places without power supply. Application: For offering decorative lights for garden, patio, party, festival, holiday, Christmas tree etc