1：能够根据环境光线强度自动开、关路灯。

2：能够根据时间自动开、关路灯。

3：能够判断路灯灯泡是否损坏。-: The ability to automatically open according to the ambient light intensity, off street lights.

: The ability to automatically open according to the time, off street lights.

3: street light bulbs can determine whether the damage.