[Dual Color Changing String Lights: 66ft 200 LED string lights with warm white or multicolor color changing one string lights has two decorative effects perfect for decorating various festivals and events 4*AA Battery Powered String Lights: Large capacity battery and 66ft long size string lights is enough to meet various decorations great for indoor and outdoor decor lighting Remote Control & Timer Function: 3 timer modes can be set using the remote control: 6H(6H on 18H off) 8H(8H on 16H off) 6639H(6H on 6H off 3H on 9H off). The string lights with memory function it will run the last setting modes automatically 12 Lighting Modes : COMB Color 1 Steady ON Color 2 Steady ON Mixted Color 1 Mixted Color 2 Slo-Glo Breathing Color 1 Slo-Glo Color 2 Slo-Glo Flash In Wave. You can use the remote control or the button on battery box to choose different modes easily and quickly 4-Level Dimmable String Lights: 25% - 50% - 75% - 100% brightness adjustment. Choose bright or soft lighting according to different scenes add a perfect atmosphere to your room]