How does dash cam work

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how does dash cam work? What should I need to pay attention when choosing dash cam?

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The principle of the work is to record and recycle the surface of the front or around the car through digital video recording and circulate, and even the information data of the inside of the car, the acceleration, the steering and the brakes of the car will be recorded in order to investigate the responsibility of the traffic story.

The main functions of the dash cam are:
1. record the driving process and provide the users with comprehensive and authentic dash cams.

2. it can provide favorable driving evidence for sudden traffic accidents, and is beneficial to the division of responsibilities between the two parties.

3. has the function of taking photos, taking photos for emergencies.

4. the visibility of vehicle driving angle can be extended.

HD car dash cam is a high-definition DV video camera, photo, recording, preview, and the SD/ TF card memory in one of the multi-functional high-tech products, mainly used in vehicle shooting, effectively improve the driving safety accidents and travel records, foreign view shooting. It is suitable for daily life, tourism, outdoor activities, business trip and so on. Automatic video recording, automatic parking, no manual operation, easy to save worry.

Using the cyclic coverage method, the first video can be automatically covered after the memory card is full, and it can be used continuously without worrying about the capacity of the memory card. Small size, easy installation, no need to destroy the original structure of the vehicle. The operation is simple, the operation is automatically detected after the start of the machine, and it has the power of power break protection. When suddenly the power is broken, the emergency delay and the final picture are saved, and the most Guan Jian video is not lost because of the power failure.

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A dash cam is an instrument that records relevant information of images and sounds on the road. After installing the dash cam, it can record video and sound in the whole process of driving, and provide evidence for traffic accidents. People who like to travel by themselves can also use it to record the process of conquering difficulties and dangers. When you drive, you can take videos while you walk, and record the time, speed and location in the video, which is quite a "black box". It can also be used for shooting DV life fun at home, or as a household monitor. Usually can also do parking monitoring, installation of dash cam, video data can not be tailored, if tailored, after the accident happened, can not help. It is also to prevent the inevitable touch of porcelain in the society.

There are several points to note in choosing a dash cam.

1. see resolution: for the dash cam, to be able to provide strong evidence in unexpected events must keep the video high definition. Only high definition images can truly reflect the details of the time, and more convincing.

2. test night vision ability: take daytime and night, the probability of the night out of traffic accidents is far higher than the day, so if the dash cam with night vision function, even in the night can also absorb high definition images, thus ensuring the safety of their own driving.

3. details: the video taken for the dash cam is used to provide evidence, so special attention should be paid to the details. When the dash cam is photographed, it can show all the time and date, so it is more persuasive when a traffic accident occurs.

4. HDMI high definition video output port: the current dash cam design is light, and the screen is relatively small. Once the traffic accident occurs, the screen is easily restricted by the vision, and the HDMI high-definition video output function can avoid this point perfectly. It can output high definition video to HDTV, thus on the large screen. Fully embodies the clear picture quality, restore the truth of the matter.

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The dash cam is photographed to ensure its clarity and fluency, which involves the chip of the dash cam, like the CPU of a computer, which plays the role of the brain. High definition is determined by the main control chip of the dash cam. At this time, the owner needs to pay attention to what kind of image processing scheme is the main control chip of the dash cam.

Buy dash cam not choose the cheap one, cheap quality, poor performance. To buy a dash cam is to use it for a long time and to be responsible for your car.