RGB color synchronization Christmas lights, using mini 5mm wide-angle LED with special smart chip, all bulbs can display the same color at the same time. Operate through our controller, support 7 single color synchronization and colorful color steady on display, In addition to static light display, you can also set these string lights with Flash/Fade/Chase/RGB color changing...etc other lighting effects display, rich and wonderful lighting to bring more atmosphere to your festival.