Easy to use: battery operated string lights (3 x AA size, not included), no wiring, safer than traditional plug-in Christmas lights, more convenient than solar string lights, 8 different modes can meet your needs. Timer function: In order to free your hand and avoid forgetting to turn off the Christmas lights, the timer function will be activated when the lights are on. The battery lights will be on for 6 hours every 24 hours, and the lights will be turned off automatically for 18 hours Waterproof and portable: Using IP65 waterproof battery box and string light, you can carry and place this battery powered string light, suitable for any indoor and outdoor use, but cannot be soaked Wide application: This mini LED light kit is very suitable for adding color to your decoration or creating the mood for Christmas, Thanksgiving, Halloween, birthday party, very suitable for lighting decoration interior and exterior Satisfaction Guarantee: If you are not satisfied with the string lights,