ALEKO SL30LEDFLWRWH Solar Powered Christmas Holiday String Flower Lights Lawn Garden Wedding Party 30 LED 20 Feet Long Soft White The solar panel connected to these lights converts sunlight to electricity during the day; once the sun goes down the lights go on and will last for up to 8 hours Solar energy doesnt require an outlet, will reduce your carbon emissions, and wont impact your electric bill Use them just like regular holiday lights: drape them around trees, bushes, fences, and more Two light settings: Solid or twinkling Product specifications: 30 lights, 20 foot length; Light Color: Soft White