说明：  脚步声控制照明灯 白天光线较强，照明灯不会点亮； 晚上有脚步照明灯被点亮，脚步声消失后灯亮延时10s再自动熄灭。
(The footsteps control lighting during the day and light the lights are not lit Night , footsteps lights lit, the footsteps disappear after the lights automatically switch off delay 10s . )