About this item Ultra-Bright and Durable Battery Powered String Lights: Each string light is 33 feet, features 100 super bright LEDs and a waterproof battery case with 8 lighting modes to ensure longevity and reliability. The warm white Christmas lights emit a classic, romantic and warm glow in the dark, making them an ideal choice for indoor and outdoor decorations. These fairy lights are perfect for Christmas, birthdays, parties, weddings, creating a cozy and joyful atmosphere. Automatic Timer Function: Timer function is enabled by default, no settings required (6 hours ON, 18 hours OFF, 24 hours cycle). Our fairy lights are powered by just 3 AA batteries (batteries Not included). It can be installed anywhere and only takes up a small corner for decoration. These outdoor battery powered lights significantly enhance portability, you can take these string lights while camping, dress up party, birthday and so on. 8 Lighting Modes & Memory Function: The battery Christmas lights can switch between 8 different lighting modes by pressing the summary on the battery case: combination, in wave, sequential, slow-glo, chasing/flash, slow fade, twinkle/flash, steady on. The built-in memory chip which can saves your last mode setting, no need to set it again. Multiple lighting modes allow you to switch at will to meet your various needs, such as engagement, wedding, party, anniversary, dinner, etc. IP44 Waterproof & Safe to Use: The battery case of our twinkle lights adopts an IP44 waterproof structure ensuring a longer service life. No need to worry about rain, snow or other inclement weather conditions as the built-in weather strips prevent water from entering. After long-time lighting, the LED beads can still remain cool and are safe to touch. Clear wire design can be better hidden in various places and occasions, perfect for Christmas decorations.