1. Arithmetic design is according to nation's geography and weather conditions, Earth longitude and

latitude and many other factors, such as longitude and latitude.

2. Embedded microprocessor, can be used as control unit
3. Solid shell design can adapt to the needs of different geographic environment    
4. Use large capacity relay, can directly connected to the load
5. Widely used in streets, railway, station, sea-route, mining, schools and power supply department   
6*. Multi-output control, with power-saving mode
7*. With auxiliary light control mode, Monitoring the environment brightness to control the switch