Image The exclusive design solar butterfly string light is totally different from others. We use color changing optical fiber and high power solar panel. Perfect for decorating your patio, garden, party, wedding, trees or pergola; the novelty of these festive LED string lights will wow your neighbors and friends Long working time: with a full charge of 6-8 hours, the string lights will light up for 8-10 hours. It can be charged and works well in winter too! Two different lighting modes: steady mode and flashing mode. They can be changed easily by pressing the mode button. Working time: 4-8 hours lighting, 6-20 hours in flashing mode. Automatic charging and lighting: built-in rechargeable NI-MH battery, charging in the daytime and automatically lighting up at night or in a dark environment. Easy to Use and Install: Simple operation with two switch and one stake. Waterproof: This solar string light is completely waterproof, suitable for outdoor and indoor. So don't miss it!