12 Twinkling Modes：Our Christmas fairy lights are your key to creating a mesmerizing ambiance. With 12 enchanting twinkle modes, these lights will transform any space into a magical wonderland. 12 modes including: combination, in waves, sequential, slogs , chasing/flash, slow fade, twinkle/flash, steady on, FAST BLINK, JUMP LIGHTING 50%, JUMP LIGHTING 30%.Outdoor & Indoor use, perfect to decorate bedroom, window, wall, stairway, garden, Christmas Tree, ect. Convenient Timer Function: Enjoy effortless control over your lights with the built-in timer feature. Simply press and hold the button on the plug for 3 seconds until the green light appears to activate the timer. The string lights will then shine for 6 hours and automatically turn off for 18 hours. To deactivate the timer, follow the same steps. Never Lose Your Favorite Mode: Personalize your lighting experience with ease! Our fairy lights come equipped with a memory function, so once you've selected your favorite mode, the lights will remember it. The next time you switch them on, there's no need to reset your preferred mode. IP44 Waterproof Design for Versatile Use: No need to worry about rain or splashes dampening your festive spirit! Our Christmas twinkle lights are designed to be waterproof, allowing you to use them both indoors and outdoors without any concerns. Safety and Energy Efficiency: Keep your little ones and pets safe without compromising on the festive cheer. With a low voltage output of just 31V, these lights are safe to touch and energy-efficient, ensuring a magical and cost-effective holiday season.