Automatic on / off: Our solar terrace step lights charge automatically during the day and switch on automatically at night. No cost lighting, powered by the sun. No wiring required. Core components: The core component of the deck lights for railings: we use high quality polysilicon solar panel, the battery uses a Ni-MH battery with a capacity of 1000 mA; Compared to traditional solar terrace step lights, our lights charge faster, work longer, are brighter and waterproof IP55 waterproof: Solar fence lights are made of advanced polysilicon solar cells and high capacity battery. 100% waterproof outdoor lights Tightly sealed battery box can withstand a variety of environments, no need to worry about quality issues. Wide range of applications: Perfect idea for lighting and decoration. The outdoor solar light is perfect for stairs, paths, patios, decks, gardens, also for lighting front door, backyard, driveway, garage, exterior wall. Easy installation and quick after-sales service: No cables required. Using the screws provided that came with the lights, place fence post solar lights vertically, or lay them flat along each edge of the stairs, patio, and fence. What's more, if you have any problem while using our lights, please feel to contact us.