solar panel absorbs sunlight into electrical energy and stored in the rechargeable battery. Intelligent energy saving. No uv rays, environment-friendly. It can be installed under the roof or fixed on the wall in your garden, gives you a good view and safety of your garden at night. It can help to prevent serious accidents and emit rather than reflect light. The solar light is ideal for illuminating paths, decks, docks, boats, driveways, stairways, pavements and so on. Automatic sensor switch: turn on at night when people come close, and automatically off when people away. The sensing range is 10 feet with a 120 degree sensing angle. Bright timewhen movement is detected by the motion detector the solar light will automatically go to full brightness and remain there for 30 seconds, then the light will automatically turn off.