It keeps rotating around an axis over time, blocking the light emitted by the lamp, forming a phenomenon similar to partial solar eclipse and total solar eclipse. While adjusting the brightness of the light, it also reflects the passage of time. Of course, you can also use your hand to toggle The border realizes the adjustment of brightness.It keeps rotating around an axis over time, blocking the light emitted by the lamp, forming a phenomenon similar to partial solar eclipse and total solar eclipse. While adjusting the brightness of the light, it also reflects the passage of time.