Charging Working No cost lighting, powered by the Sun. The solar fence light doesn't have switch, sensor built in. It turns on at the whole night automatically and turns off at dawn. The solar powered security light is perfect for illuminating stairs, paths, patio, decks, gardens, also used for lighting front door, back yard, driveway, garage, outdoor wall. Warm light bright enough without dazzling, just the right amount of warm glow to illuminate your deck or stairs, which is safer for the whole family to go downstairs at night. Along with the screw sets as well as the back glue for easy installation in anywhere especially on the stairs. The size is suit for the deck, no worry about tripping. Made of durable ABS shell, high quality polysilicon solar panel, tightly sealed battery box can withstand a variety of environments. Read Less