Upgrade Solar Stair Lights- Provides the right amount of glare-free light to accompany you in the dark. Upgraded Solar Panel: Made from solar panel with higher conversion rate, which has much longer working time under the same solar conditions than other lights. Built-in rechargeable Ni-MH battery, fully charged, can be used for more than 6-10 hours. Automatic Lighting - Built-in smart light sensor, automatically turns on only when ambient lighting is not is no longer sufficient. This solar light is much more unique, brighter and more practical compared to other 3-6 dim LED lights on the market. Perfect for garden, patio, fence, path, porch, stairs, wall and so on. Waterproof and durable - Solar ceiling lights are a seamless combination of plastic Shock-resistant ABS, you don't have to worry about rain or snow. IP67 waterproof, suitable for all types of outdoor conditions. Rust and oxidation resistance, much more durable than other outdoor plastic IP65 stair lights. " Easy to install - Solar powered, quick and easy installation, no wiring needed, can be fixed with screws. These outdoor solar stair lights can be installed quickly in any location where they can directly absorb sunlight."