Zero Running CostsCompared to other string light that may add up quite a lot to your electricity bill, SUNTHIN solar outdoor string lights will save you money and energy. Besides no operating costs, maintenance is usually low Dusk to DawnSolar power string lights turn on automatically when it gets dark. It automatically turns off at dawn and starts charging with the sunlight. No outdoor outlet required, easy to install. Carry them for your camping and outdoor party Shatterproof & WaterproofThe hanging solar lights are made of a shatterproof plastic material that won't break even by dropped from high place. IP65 waterproof solar backyard lights can withstand snow, wind, rain and sunny days, perfect for outdoor use Easy InstallationSolar string lights for outside are easy to install. There are no outdoor outlets or extension cords needed to plug outdoor lights into, which makes them safe to install Ideal Outdoor LightingSUNTHIN solar outdoor lights can be used as