With the increase of car, our safety awareness has also been improved. at the same time, it also leads to the frequent accidents.without field data, it is trouble to analyze and understanding objectively when the police deal with and analyze after accidents happened. Therefore, the dash cam appears in our vision.but some drivers don’t agree with the car video recorder, think they can GPS in their car without dash cam.

The product attributes of GPS are the products of management not the attributes of the state, and there is no national standard for GPS.The product attribute of the dash cam for car is mandatory for the public safety class.

In addition, the date from GPS only can be used as a reference, but not the evidence, when traffic police have inquiring.but the data from the dash cam can be used . in conclusion, it is obvious that GPS can’t replace the dash cam.

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