 E-Lighting automatically control environment lighting , air conditioning completed in accordance with 365 daily text clock default run-time, to meet requirement of different time ,such as the work, after work, late-night patrol. The system provides the timing function of time point, time period as well as weekly, monthly, annual and special holiday. Through timing function to ensure that the minimum energy consumption in the non-normal working hours. The daily operation mode can also be sub-periods to alternately open the different lighting circuits and extend lamp life, saving lighting maintenance costs.