The MPOWERD Luci Color Solar String Lights are solar, colorful, and always ready to hang. Powered by the sun, and with mobile charging, these lights provide 6 colors of ambiance across an 18' cord. They last up to 15 hours on a single charge and can be recharged via solar or quick charge with the USB. Perfect for portability, the string lights are neatly hidden inside the compact expandable unit, simply twist open to reveal, unravel the cord, string up and shine! Camping and backpacking just got a lot more fun. The MPOWERD Luci Color Solar String Lights are perfect for illuminating your space.