KINGCOO Water Drop Solar String Lights, Waterproof 20ft 30 LED Crystal Water Drop Fairy Lights with 2 Modes Water Drop Christmas String Lights for Wedding Party Decorations (Multi Color) This 20ft 6m long LED solar string provides fairy lighting effect. The whole light is waterproof, suitable for outdoor use, no worry for rain drops. Solar powered christmas lights - Solar panel with rechargeable battery, charges under direct sunlight and cloudy days, lights automatically turn on at night and turn off in the morning. There are 2 switches, one is Mode (2 Modes: Steady & Flashing), another is Power On/Off.8 hours working time after fully solar-charged, enjoy the lighting for whole night. Solar string light Built-in Battery : Built-in rechargeable 600mAh Ni-MH battery design, can continuously run more than 8 hours if panel absorbs enough sunshine during the day Widely Used: It is great decorations for Festivals, Wedding, Christmas, Holiday, Parties, Home, Windows, Furniture and other large decoration, creating a warm and romantic environment.