The alarm number is the identity certificate of the people's police, and each policeman has an alarm number.
Normally, an alarm will follow a policeman until he retires. Due to the need of work and convenient use, multiple number plates can be allocated when distributing alarm signals. There are no letters on the alarm, all numbers.
Class characteristics
The police came into being with the emergence of the country. The function of the police is to safeguard national security and social order, and to prevent and punish all criminals who endanger national security and interests.
The police is an important state machine for state management and an important tool for the ruling class to rule. In fact, the embodiment of police function is the concrete realization of the will of the ruling class. So the police are the product of class society.