With 7 unique color modes shining across an 18 ft nylon-braided cord, Solar String 18 Color transforms your surroundings at the click of a button. Featuring 20 RGB LEDs integrated into 10 shatterproof bulbs, you can switch between colors, or simply select the color-cycle mode and let Luci seamlessly change from one color to the next. Plus, with recharge-ability via solar or USB, these solar string lights are perfect for adding a splash of color to your space.