1Romantic: Beautiful and stylish LED string lights, warm light, stable light source, not dazzling, very romantic, even if the light is not bright, it can well decorate your courtyard. 2High Quality Material: The butterflies light string is made of high quality plastic and PVC material, which is safe and reliable to use and full of artistic flavor. 3600mAh Battery: Built in 600mAh high capacity AA NiMH battery, which is automatically charged during the day and lights up automatically at night, with long lighting time. 4IP44 Waterproof: IP44 outdoor waterproof light string, can withstand all kinds of weather, always on, flashing 2 lighting modes can be switched, enjoy all year round. 5Decorative: Art string lights are specially designed for festivals, ideal decoration for homes, gardens, courtyards, porches, fences and terraces, etc, easy to use.