Automatically & waterproof: Being exposed to sunshine during the day, and it begins to light up at night automatically when power on. All light bulbs are in line with waterproof grade IP44. Eco-friendly: Solar powered, long working time. Put the solar panel face sunshine directly during the day, the bulbs will light up automatically at night about 8 hours. Easy to use: Two buttons controlling, one is for mode changing, and another is for power On/Off. Good decor & best gift: Special Bee Shape like appearance, good decoration lights for outdoor garden.