Solar String LightsThese outdoor solar lights come with 240LED/79FT and a 6.5FT extension cord. They upgrade with a large capacity solar panel that can absorb sunlight two times more efficiently than others. Fast Charging Long LastingThe outdoor string lights equipped with an 1200mAh rechargeable battery that can be quickly fully charged within 6 hours. Once charged, the lights can shine for about 18 hours. The lights are also equipped with a built-in sensor that automatically turns them on at dusk and off at dawn, making them more efficient and convenient to use