[posture] there are so many kinds of cameras on the road, which is illegal?

ring of surveillance cameras are becoming more and more crowded,
and every time they see it,
they have to be very careful.
In fact,
different cameras have different functions,
we work together to understand.
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/ / road surveillance cameras can be divided into 5 types: the electronic police (electronic snapshot) and the bayonet flow detection and monitoring of 1 illegally parked capture the Skynet electronic police - the most common way in the camera,
the main purpose is to monitoring of red light,
pressing,
retrograde,
illegal lane change,
take non motorized vehicles,
not to guide other illegal acts,
and you dont feel it at work.
The police power installation layout electronic police many are equipped with LED lights,
he is not bright during the day,
he will be a high frequency shining night,
we like to the naked eye is always bright,
is the kind of very dazzling lights.
The electronic moni