USB Powered RGB String Lights: Directly plug in/unplug in for turn ON/OFF.You can use the remote to turn the lights on and off, change the color to one of 16 vibrant colors, choose one brightness levels(20%, 40%, 60%, 80%, 100%), set one mode (flash, strobe, fade, smooth) and set a timer for 4, 6, 8 or 24 hours to keep the light on(The other time will be off).Our high quality lights are using 3 sturdy strands, silver wires, which helps to keep the brightness of the lights stable.