1. It can locate, query, track and supervise autoalarm for the vehicles in long distance away.

2. The article introduces a fire autoalarm which can be used in large airtight oil depot or fuel storehouse.

3. In Fire autoalarm control system the fire detector is the key parts for the detecting of fire signals.

4. With GSM message autoalarm module, and fixed timing starting up and shutdown functions.

5. The whole DVB system can be monitor and the function including malfunction analyzing, malfunction recording, autoalarm can be implemented by this system.

6. The control system serves many functions of auto - operation, manual operation, auto - test valves, autoalarm and emergency stop.

7. The applications of four buses controlling mode to fire fighting system , the design methods and operating principles of four buses fire autoalarm controllers are mainly expounded.

8. To manage vehicles automatically, a scheme for vehicle location and autoalarm system based on GPS module and GSM module is put forward in detail.