Size The LED solar string light is made up of 100 small plastic balls. The total length of the garland is 12 meters and the diameter of the balls is 1.7 cm. 8 lighting modes decorative lights: uses solar energy to charge during the day and turns on automatically after dark, there are 8 lighting effects to choose from, just press the button on the back of the solar panel to choose your favorite 8 lighting modes. < p>Energy saving and environmental protection: solar charging, environmentally friendly, no electricity bills, no need to replace the battery. During the day, efficient solar panels convert sunlight into electricity for the built-in rechargeable batteries, so the string lights automatically turn on at night. IP55 Waterproof: The string lights and The solar panel are IP55 waterproof and can be used indoors and outdoors. There is no risk of short circuit or weather damage. Therefore, they can be used in water or rain to create a warm night atmosphere. Easy to use: Can work on rainy days and can be used indoors and outside. Use it anywhere, suitable for summer gardens, terraces, balconies, stairs, pergolas, windows, Christmas trees and parties and many other ambiance-creating decorative lighting applications .