People need to see where they're going at night, so it is common to brighten the outside of structures, like walls and doorways. 

Nowadays, LED lights are widely used, and more and more people are using LED lights.

Different brands of LED lamp chips, the same packaging factory, and the price of LED lamp chips will also differ, but it does not mean that the more expensive the better.

Life" is the survival time of things from birth to death.

Solar wall light applies in gardens, yards, parks, residential areas, tourist attractions, etc.