Advantages:
1. High density of integration;
2. Low power consumption, long life-expectancy and high reliability.
3. Anti-jamming;
4. Low load factor in operation;
5. Adopting the special voltage regulator invented by our company.
6. Operated through the center controller; User-friendly;
7. Memory: 200 lines;
8. Scrolling effects of the information; 48 English letters or 24 Chinese characters can be displayed at one time;
9. Mapping function between lines.
10. Information is edited through software on the computer;
11. SOS alarm system.
12. Languages of all the countries can be displayed.