These are a gorgeous way to decorate with out using electricity. They are solar powered, and work up to ten hours after they are fully charged, so you can enjoy starry nights. Ideal for special events or holidays, or for lighting your patio, garden, lawn, weddings, etc.. They also have eight working modes that you can choose from. The different modes are fireflies, waves, fading, chasing, fading slowly, twinkle, and steady on. These are 33 ft ultra-thin and high quality, bendable copper wire. The string lights conform to any shape you want. These are waterproof and heat-resistant, making it perfect for both indoor and outdoor activities without any worry of moisture/weather damage or short circuits.