Night vision devices play an important role in security patrols. 

Night vision goggles are devices that enhance vision in low-light environments. It allows users to clearly see objects at night or in dim environments by receiving and enhancing ambient light in low-light conditions.

In terms of security patrols, night vision devices have the following key functions:

Improve the perception of police and security personnel:

Night vision devices can significantly improve the perception of police and security personnel in the dark. They can see people, vehicles and other important details, helping them identify potential security issues or suspicious activity.

Enhance patrol efficiency:

The use of night vision devices can greatly improve patrol efficiency, especially at night. Traditionally, security patrol activities have been restricted at night because of limited vision. However, night vision devices allow police and security personnel to quickly and accurately detect abnormal situations in the dark, improving overall response speed and handling capabilities.

Reduce potential hazards:

Night vision devices can help police and security personnel perform their duties more safely in potentially dangerous environments. By providing clear visual information, night vision devices enable them to make decisions quickly and reduce unnecessary risks.

Increased crime prevention capabilities:

The use of night vision devices can act as a deterrent to crime. Criminals often choose to operate in the dark to avoid detection. However, the presence of night vision devices can reduce the occurrence of criminal activity by making potential criminals aware that their actions may be detected.

All in all, night vision devices play an important role in security patrols. It provides police and security personnel with a visual advantage in the dark, improving their perception and reaction speed. Night vision devices play a key role in maintaining public order and protecting public safety by reducing potential dangers and increasing crime prevention capabilities.