Solar Powered & Auto On/OffUsing sunlight as energy, it takes only 4-5 hours to be fully charged on sunny days. With sensor and automated switch, this deck light can turn on automatically at dusk and turn off at dawn. Warm LED Light & Morden DesignWarm white led of this deck light is capable of illuminating your fence, deck, step, patio, yard or garden,which give a nice ambience and make sure whole family go downstairs at night safely.